Backwards Quotes (4 quotes)
A perfect thermo-dynamic engine is such that, whatever amount of mechanical effect it can derive from a certain thermal agency; if an equal amount be spent in working it backwards, an equal reverse thermal effect will be produced.
Every mathematical book that is worth reading must be read backwards and forwards, if I may use the expression. I would modify Lagranges advice a little and say, Go on, but often return to strengthen your faith. When you come on a hard or dreary passage, pass it over; and come back to it after you have seen its importance or found the need for it further on.
If we drove an automobile the way we try to run civilization, I think we would face backwards, looking through the back window, admiring where we came from, and not caring where we are going. If you want a good life you must look to the future. I think it is all right to have courses in history. But history is the gonest thing in the world. Lets keep history, but lets take a small part of the time and study where we are going. We can do something about the unmade history.
Technological progress has merely provided us with more efficient means for going backwards.