Scientist Quotations - Categories Index for Initial R
This list includes science quotes from archaeologists, biologists, chemists, geologists, inventors and inventions, mathematicians, physicists plus pioneers in medicine, science events and technology.
This index gives quotes listed under category headings. When the category is a scientist name, the index is for any reference made ABOUT the scientist BY another person.
R.A.F. (1)
Rabbit (6)
Rabbit-Test (1)
Rabble (1)
Rabi_Isador (1)
Raccoon (1)
Race (63)
Racing (1)
Racism (1)
Rack (4)
Racking (1)
Radar (6)
Radiance (4)
Radiant (5)
Radiant Energy (1)
Radiation (22)
Radical (16)
Radicalism (1)
Radically (3)
Radio (20)
Radio Astronomy (2)
Radio Control (1)
Radio Telescope (5)
Radio Wave (1)
Radioactive (5)
Radioactive Dating (1)
Radioactive Decay (1)
Radioactivity (25)
Radiocarbon Dating (1)
Radiogram (1)
Radioimmunoassay (1)
Radiologist (1)
Radiometer (1)
Radish (1)
Radium (18)
Radius (4)
Radon (1)
Rafter (1)
Ragamuffin (2)
Rage (4)
Raged (1)
Ragged (1)
Raging (1)
Raid (4)
Rail (2)
Railroad (10)
Railway (12)
Rain (26)
Rain Forest (20)
Rainbow (8)
Raindrop (3)
Rainfall (1)
Raise (9)
Raised (3)
Raising (4)
Ram (2)
Ramble (2)
Rambled (1)
Ramification (3)
Rampage (1)
Rampant (2)
Rampart (1)
Ranching (1)
Random (19)
Random Number (2)
Randomness (1)
Range (26)
Ranger (1)
Rank (17)
Ranking (1)
Rapid (15)
Rapidity (14)
Rapidly (5)
Rapine (1)
Rapport (1)
Rapt (3)
Rapture (2)
Rare (27)
Rarely (2)
Rarity (8)
Rascal (2)
Rash (3)
Rashly (2)
Rashness (2)
Rat (17)
Rat-Hole (2)
Ratcliffe_Jack (2)
Rate (17)
Ratio (14)
Ratiocination (2)
Rational (27)
Rationale (3)
Rationalise (1)
Rationalism (2)
Rationality (6)
Rattle (1)
Raucousness (1)
Rauscher_Frank (1)
Ravage (5)
Ravaged (1)
Ravine (5)
Raw (6)
Ray (27)
Raze (1)
Razor (2)
Reach (42)
Reaching (2)
React (3)
Reactant (2)
Reacting (1)
Reaction (57)
Reaction Force (1)
Reactionary (3)
Reactor (1)
Read (54)
Readability (1)
Reader (18)
Readily (2)
Readiness (4)
Reading (51)
Readjustment (1)
Ready (10)
Ready-Made (2)
Reagent (4)
Real (65)
Real Estate (2)
Real Life (2)
Real World (3)
Real-World (1)
Realisation (2)
Realise (11)
Realism (4)
Realist (1)
Realistic (3)
Reality (100)
Reality-Check (1)
Realizable (1)
Realization (29)
Realize (26)
Reallocation (1)
Really (7)
Realm (29)
Reanimation (1)
Reap (4)
Reaper (2)
Reaping (4)
Reappear (2)
Reappearance (2)
Rear (4)
Rearrange (1)
Rearrangement (1)
Reason (255)
Reasonable (14)
Reasonableness (3)
Reasonably (1)
Reasoning (78)
Reasonings (1)
Reassemble (1)
Reassurance (1)
Reassure (2)
Rebel (3)
Rebellion (1)
Rebirth (1)
Rebound (1)
Rebuild (1)
Rebuilding (1)
Rebuke (1)
Rebuttal (1)
Recall (4)
Recalling (1)
Recantation (1)
Recapitulate (1)
Recapitulation (2)
Receding (1)
Receipt (1)
Receive (26)
Receiver (4)
Recent (18)
Reception (6)
Receptiveness (1)
Receptor (1)
Recess (3)
Recession (1)
Recessive (3)
Recharge (1)
Recheck (1)
Recieved (1)
Recipe (6)
Recipient (2)
Reciprocal (4)
Reciprocation (1)
Reciprocity (1)
Reckless (3)
Recklessly (2)
Reckon (2)
Reckoning (4)
Reclusive (1)
Recognise (3)
Recognised (1)
Recognition (60)
Recognize (25)
Recognized (3)
Recoil (5)
Recollection (6)
Recombinant (1)
Recombination (1)
Recommencing (1)
Recommendation (8)
Recompense (1)
Reconcile (6)
Reconciliation (8)
Recondite (2)
Reconsideration (2)
Reconstitution (1)
Reconstruct (3)
Reconstruction (11)
Reconstructive (1)
Record (42)
Recorded (1)
Recording (4)
Recourse (5)
Recover (2)
Recovery (15)
Recreation (10)
Recreation Area (1)
Recruit (1)
Recruiting (3)
Rectified (1)
Rectilinear (1)
Recuperation (1)
Recur (2)
Recurrence (2)
Recurrent (1)
Recurring (2)
Recycle (2)
Recycling (3)
Red (22)
Red Cell (2)
Red Cross (1)
Red Dwarf (1)
Red Hot (1)
Red Queen (2)
Red-Shift (4)
Reddy_Raj (1)
Redeeming (1)
Redemption (2)
Redesign (1)
Redirected Activity (1)
Rediscover (1)
Rediscovering (1)
Rediscovery (1)
Redistribution (1)
Redness (2)
Redoing (1)
Redox Reaction (2)
Redress (1)
Redressed (1)
Reduce (23)
Reduced (2)
Reducible (1)
Reducing (2)
Reductio Ad Absurdum (1)
Reduction (33)
Reductionism (3)
Reductionisnm (1)
Redwood (7)
Reed (4)
Reef (6)
Reevaluation (2)
Refer (1)
Referee (3)
Reference (16)
Reference Frame (1)
Refine (1)
Refined (6)
Refinement (11)
Refining (3)
Reflect (9)
Reflecting (3)
Reflecting Telescope (1)
Reflection (41)
Reflector (3)
Reflex (9)
Reflux (1)
Reforestation (3)
Reform (9)
Reformation (3)
Reformed (1)
Reformer (4)
Refracting (1)
Refracting Telescope (1)
Refraction (7)
Refractor (1)
Refractory (1)
Refrain (2)
Refrangibility (2)
Refresh (2)
Refreshing (1)
Refreshment (2)
Refrigeration (3)
Refrigerator (3)
Refuge (8)
Refugee (1)
Refusal (19)
Refuse (9)
Refuseal (1)
Refusing (1)
Refutation (8)
Refute (2)
Regaining (1)
Regal (1)
Regard (35)
Regarded (2)
Regarding (4)
Regenerate (1)
Regeneration (3)
Regenerative (1)
Regent (1)
Regime (1)
Regimen (1)
Regiment (2)
Regimentation (1)
Region (20)
Register (8)
Registrar (1)
Registration (2)
Regression (1)
Regressive (1)
Regressus In Infinitum (1)
Regret (15)
Regular (5)
Regularity (20)
Regularly (1)
Regulate (1)
Regulating (1)
Regulation (15)
Regulations (1)
Regulator (2)
Regulus (1)
Rehearsal (1)
Rehearse (2)
Reign (5)
Reign Of Iron (1)
Reincarnation (1)
Reindeer (1)
Reinforce (2)
Reinforcement (1)
Reinterpret (1)
Reject (14)
Rejected (2)
Rejection (22)
Rejoice (6)
Rejoicing (2)
Rejoinder (2)
Relapse (2)
Relate (2)
Related (4)
Relates (1)
Relation (77)
Relationship (51)
Relative (18)
Relativist (1)
Relativistic (1)
Relativity (42)
Relaxed (1)
Release (11)
Released (1)
Relegation (1)
Relentless (3)
Relevance (11)
Relevant (2)
Reliability (10)
Reliable (3)
Reliance (6)
Relic (4)
Relief (12)
Relieve (1)
Relieved (1)
Religion (155)
Religion And Science (3)
Religious (12)
Religiousness (1)
Relish (2)
Relive (1)
Reluctance (4)
Reluctant (3)
Rely (3)
Remain (37)
Remainder (2)
Remained (2)
Remaining (13)
Remains (9)
Remaking (1)
Remark (13)
Remarkable (31)
Remarkably (2)
Remarking (1)
Remedy (38)
Remember (39)
Rememberance (1)
Remembered (1)
Remembering (7)
Remembrance (1)
Remind (2)
Reminded (1)
Reminder (11)
Reminiscence (1)
Remission (2)
Remnant (1)
Remodel (1)
Remorse (2)
Remorseless (1)
Remote (21)
Remote Control (1)
Remotely (1)
Remoteness (5)
Removable (1)
Removal (10)
Remove (11)
Removed (1)
Removing (2)
Remunerative (1)
Renaissance (8)
Renal (4)
Renan_Ernest (2)
Render (15)
Rendered (2)
Rendering (6)
Rendezvous (2)
Renegade (1)
Renew (6)
Renewable (2)
Renewable Energy (11)
Renewable Resource (1)
Renewal (2)
Renewed (2)
Renoir_Pierre (1)
Renounce (2)
Renovate (1)
Renovation (2)
Renown (1)
Rent (2)
Renunciation (1)
Reorder (1)
Repair (6)
Reparative (1)
Repayment (1)
Repeal (1)
Repeat (22)
Repeatable (1)
Repeated (4)
Repellent (1)
Repercussion (2)
Repetition (20)
Rephrasing (1)
Repitition (1)
Replace (9)
Replacement (8)
Replacing (1)
Replete (1)
Replica (1)
Replication (6)
Replicator (1)
Replied (2)
Reply (15)
Replying (1)
Report (27)
Reported (1)
Reporter (1)
Reporting (2)
Repose (4)
Repository (3)
Repossession (1)
Represent (12)
Representation (22)
Representative (6)
Represented (1)
Representing (2)
Repressed (1)
Repression (2)
Reprimand (1)
Reprisal (2)
Reproach (1)
Reproduce (1)
Reproducibility (2)
Reproducible (1)
Reproducing (1)
Reproduction (52)
Reproductivity (1)
Reproof (1)
Reptile (19)
Republic (5)
Republican (1)
Repudiate (1)
Repugnant (4)
Repulse (1)
Repulsion (4)
Repulsive (7)
Reputation (14)
Repute (2)
Reputed (1)
Request (2)
Require (15)
Required (4)
Requirement (44)
Requiremnt (1)
Requisite (3)
Res (1)
Rescue (4)
Research (477)
Researcher (13)
Resemblance (18)
Resemblances (1)
Resemble (11)
Resembling (2)
Resent (4)
Resentful (1)
Resentment (3)
Reseracher (1)
Reservation (6)
Reserve (4)
Reserved (1)
Reserves (1)
Reservoir (4)
Reshape (1)
Reside (6)
Residence (2)
Residing (1)
Residual (1)
Residue (6)
Resign (1)
Resignation (2)
Resilience (1)
Resin (2)
Resist (7)
Resistance (21)
Resistant (2)
Resisting (1)
Resistless (1)
Resolute (1)
Resolution (15)
Resolve (9)
Resonance (2)
Resonant (1)
Resonate (1)
Resonator (1)
Resort (4)
Resound (1)
Resource (26)
Resourcefulness (1)
Respect (40)
Respectability (1)
Respectable (2)
Respected (1)
Respectful (1)
Respectively (1)
Respiration (12)
Respite (1)
Respond (3)
Responding (1)
Response (15)
Responsibility (34)
Responsible (6)
Responsiveness (1)
Rest (45)
Restaurant (3)
Restful (2)
Restless (2)
Restlessness (3)
Restoration (4)
Restore (4)
Restrain (2)
Restrains (1)
Restraint (7)
Restrait (1)
Restrict (1)
Restricted (1)
Restricting (1)
Restriction (5)
Restrictive (2)
Result (211)
Resume (1)
Resurrection (3)
Resuscitate (1)
Retail (1)
Retain (8)
Retained (1)
Retaining (1)
Retainment (1)
Retaliation (2)
Retard (1)
Retardation (4)
Retarded (2)
Retarding (1)
Retaught (1)
Retention (3)
Rethink (2)
Reticular (1)
Retina (4)
Retine (1)
Retinue (2)
Retire (2)
Retired (1)
Retirement (6)
Retort (2)
Retrace (1)
Retreat (5)
Retrench (1)
Retrieval (1)
Retrograde (4)
Retrogress (1)
Retrogression (1)
Retrospection (1)
Retrospective (2)
Return (27)
Returning (2)
Reuniting (1)
Reuse (1)
Reveal (18)
Revealed (2)
Revealer (1)
Revealing (4)
Revel (2)
Revelation (28)
Revenge (3)
Revenue (3)
Reverberation (3)
Revere (1)
Reverence (20)
Reverie (1)
Reversal (2)
Reverse (11)
Reversion (3)
Revert (2)
Review (5)
Reviewer (1)
Revise (4)
Revision (4)
Revitalize (1)
Revival (1)
Revived (1)
Revocation (1)
Revolt (1)
Revolting (1)
Revolution (47)
Revolutionary (12)
Revolutionize (1)
Revolutionized (1)
Revolutionizing (1)
Revolve (5)
Revolving (1)
Reward (29)
Rewarding (2)
Rewrite (2)
Rewriting (2)
Rewrote (1)
Rheims (1)
Rhenium (1)
Rhesus (1)
Rhesus Factor (1)
Rhetoric (2)
Rheumatic Fever (1)
Rheumatism (2)
Rheumatologist (1)
Rhine (2)
Rhinoceros (2)
Rhizopod (1)
Rhodedendron (1)
Rhodium (2)
Rhododendron (1)
Rhone (1)
Rhyme (1)
Rhythm (9)
Rhythmic (1)
Rib (4)
Ribbon (1)
Ribonucleic Acid (1)
Rice (2)
Rich (33)
Richard (1)
Richer (1)
Riches (9)
Richest (2)
Richmann_Georg (1)
Richness (8)
Richter Scale (3)
Rick (1)
Rickets (1)
Rickety (2)
Rid (6)
Riddle (16)
Ride (3)
Rider (2)
Ridge (2)
Ridicule (11)
Ridiculous (8)
Riemannian Geometry (1)
Riemann_Georg (1)
Rifle (1)
Rift (2)
Right (101)
Right-Angle (1)
Right-Hand (1)
Right-Wing (1)
Righteousness (2)
Rightful (1)
Rigid (9)
Rigidity (3)
Rigidly (2)
Rigor (11)
Rigorous (9)
Rigour (10)
Rigour (Rigor) (2)
Rigourous (1)
Rill (1)
Rim (1)
Ring (11)
Ringing (1)
Riot (1)
Rip (1)
Ripe (2)
Ripen (2)
Ripened (1)
Ripeness (2)
Ripple (2)
Rise (31)
Rise And Fall (1)
Rising (9)
Risk (27)
Risky (2)
Rite (2)
Ritual (8)
Rival (8)
Rivalry (1)
River (60)
River Mersey (2)
Riviera (1)
Rivulet (2)
RNA (2)
Road (37)
Road Not Taken (1)
Roadway (2)
Roam (3)
Roar (1)
Roared (1)
Roaring (1)
Roast (1)
Roasted (2)
Rob (1)
Robbed (1)
Robber (1)
Robbery (5)
Robin (3)
Robin Hood (1)
Robinson_John (1)
Robinson_William (1)
Robot (7)
Robust (4)
Rock (95)
Rock Of Ages (1)
Rockefeller (1)
Rockefeller_John (1)
Rocket (27)
Rocket Science (2)
Rocking (1)
Rocky (2)
Rocky Mountains (1)
Rod (4)
Roentgenology (1)
Rogue (2)
Role (28)
Role Model (6)
Roll (3)
Roller (1)
Rolling (3)
Rolls-Royce (1)
Roman (12)
Roman Catholic (1)
Romance (7)
Romantic (2)
Romanticism (4)
Romanticist (1)
Rome (10)
Rommel_Erwin (1)
Rondo (1)
Roof (8)
Room (17)
Room Temperature (1)
Roominess (1)
Roommate (1)
Roost (1)
Root (36)
Root Of All Evil (1)
Root Out (1)
Rooted (1)
Rope (2)
Rose (7)
Rosemary (1)
Rosetta Stone (4)
Rot (5)
Rotate (4)
Rotation (6)
Rote (2)
Rotten (2)
Rotting (2)
Rough (5)
Rough And Ready (1)
Round (10)
Roundabout (1)
Rounded (1)
Rout (1)
Route (9)
Routine (7)
Row (4)
Rower (1)
Royal (9)
Royal Academy (1)
Royal Family (1)
Royal Institution (2)
Royal Road (1)
Royal Society (8)
Royalty (2)
Rub (2)
Rubbed (1)
Rubber (3)
Rubbing (1)
Rubbish (8)
Rubble (1)
Rubidium (1)
Rucksack (1)
Rudder (3)
Rude (5)
Rudeness (3)
Rudiment (1)
Rudimentary (1)
Rue (1)
Ruffian (1)
Rug (1)
Rugged (4)
Ruin (18)
Ruinous (1)
Rule (113)
Rule Of Thumb (2)
Ruler (10)
Ruling (1)
Rum (2)
Rumble (1)
Ruminant (1)
Rummage (1)
Rumour (1)
Run (17)
Run Out (1)
Rung (1)
Runner (1)
Running (8)
Rural (4)
Rush (8)
Russia (8)
Russian (1)
Russian Science (1)
Rust (4)
Ruthenium (1)
Ruthless (3)
Ruthlessness (3)
Rabbit (6)
Rabbit-Test (1)
Rabble (1)
Rabi_Isador (1)
Raccoon (1)
Race (63)
Racing (1)
Racism (1)
Rack (4)
Racking (1)
Radar (6)
Radiance (4)
Radiant (5)
Radiant Energy (1)
Radiation (22)
Radical (16)
Radicalism (1)
Radically (3)
Radio (20)
Radio Astronomy (2)
Radio Control (1)
Radio Telescope (5)
Radio Wave (1)
Radioactive (5)
Radioactive Dating (1)
Radioactive Decay (1)
Radioactivity (25)
Radiocarbon Dating (1)
Radiogram (1)
Radioimmunoassay (1)
Radiologist (1)
Radiometer (1)
Radish (1)
Radium (18)
Radius (4)
Radon (1)
Rafter (1)
Ragamuffin (2)
Rage (4)
Raged (1)
Ragged (1)
Raging (1)
Raid (4)
Rail (2)
Railroad (10)
Railway (12)
Rain (26)
Rain Forest (20)
Rainbow (8)
Raindrop (3)
Rainfall (1)
Raise (9)
Raised (3)
Raising (4)
Ram (2)
Ramble (2)
Rambled (1)
Ramification (3)
Rampage (1)
Rampant (2)
Rampart (1)
Ranching (1)
Random (19)
Random Number (2)
Randomness (1)
Range (26)
Ranger (1)
Rank (17)
Ranking (1)
Rapid (15)
Rapidity (14)
Rapidly (5)
Rapine (1)
Rapport (1)
Rapt (3)
Rapture (2)
Rare (27)
Rarely (2)
Rarity (8)
Rascal (2)
Rash (3)
Rashly (2)
Rashness (2)
Rat (17)
Rat-Hole (2)
Ratcliffe_Jack (2)
Rate (17)
Ratio (14)
Ratiocination (2)
Rational (27)
Rationale (3)
Rationalise (1)
Rationalism (2)
Rationality (6)
Rattle (1)
Raucousness (1)
Rauscher_Frank (1)
Ravage (5)
Ravaged (1)
Ravine (5)
Raw (6)
Ray (27)
Raze (1)
Razor (2)
Reach (42)
Reaching (2)
React (3)
Reactant (2)
Reacting (1)
Reaction (57)
Reaction Force (1)
Reactionary (3)
Reactor (1)
Read (54)
Readability (1)
Reader (18)
Readily (2)
Readiness (4)
Reading (51)
Readjustment (1)
Ready (10)
Ready-Made (2)
Reagent (4)
Real (65)
Real Estate (2)
Real Life (2)
Real World (3)
Real-World (1)
Realisation (2)
Realise (11)
Realism (4)
Realist (1)
Realistic (3)
Reality (100)
Reality-Check (1)
Realizable (1)
Realization (29)
Realize (26)
Reallocation (1)
Really (7)
Realm (29)
Reanimation (1)
Reap (4)
Reaper (2)
Reaping (4)
Reappear (2)
Reappearance (2)
Rear (4)
Rearrange (1)
Rearrangement (1)
Reason (255)
Reasonable (14)
Reasonableness (3)
Reasonably (1)
Reasoning (78)
Reasonings (1)
Reassemble (1)
Reassurance (1)
Reassure (2)
Rebel (3)
Rebellion (1)
Rebirth (1)
Rebound (1)
Rebuild (1)
Rebuilding (1)
Rebuke (1)
Rebuttal (1)
Recall (4)
Recalling (1)
Recantation (1)
Recapitulate (1)
Recapitulation (2)
Receding (1)
Receipt (1)
Receive (26)
Receiver (4)
Recent (18)
Reception (6)
Receptiveness (1)
Receptor (1)
Recess (3)
Recession (1)
Recessive (3)
Recharge (1)
Recheck (1)
Recieved (1)
Recipe (6)
Recipient (2)
Reciprocal (4)
Reciprocation (1)
Reciprocity (1)
Reckless (3)
Recklessly (2)
Reckon (2)
Reckoning (4)
Reclusive (1)
Recognise (3)
Recognised (1)
Recognition (60)
Recognize (25)
Recognized (3)
Recoil (5)
Recollection (6)
Recombinant (1)
Recombination (1)
Recommencing (1)
Recommendation (8)
Recompense (1)
Reconcile (6)
Reconciliation (8)
Recondite (2)
Reconsideration (2)
Reconstitution (1)
Reconstruct (3)
Reconstruction (11)
Reconstructive (1)
Record (42)
Recorded (1)
Recording (4)
Recourse (5)
Recover (2)
Recovery (15)
Recreation (10)
Recreation Area (1)
Recruit (1)
Recruiting (3)
Rectified (1)
Rectilinear (1)
Recuperation (1)
Recur (2)
Recurrence (2)
Recurrent (1)
Recurring (2)
Recycle (2)
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In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.
(1987) -- 
