(source) 
Sir Erik Christopher Zeeman
(4 Feb 1925  13 Feb 2016)

Science Quotes by Sir Erik Christopher Zeeman (5 quotes)
Another of my hobbyhorses is the advantage of ignorance, in that it encourages creativity, both in the young and the old.
— Sir Erik Christopher Zeeman
Catastrophe Theory is a new mathematical method for describing the evolution of forms in nature. … It is particularly applicable where gradually changing forces produce sudden effects. We often call such effects catastrophes, because our intuition about the underlying continuity of the forces makes the very discontinuity of the effects so unexpected, and this has given rise to the name.
— Sir Erik Christopher Zeeman
Mathematics is not arithmetic. Though mathematics may have arisen from the practices of counting and measuring it really deals with logical reasoning in which theorems—general and specific statements—can be deduced from the starting assumptions. It is, perhaps, the purest and most rigorous of intellectual activities, and is often thought of as queen of the sciences.
— Sir Erik Christopher Zeeman
Technical skill is mastery of complexity while creativity is mastery of simplicity.
— Sir Erik Christopher Zeeman
The scientist has to take 95 per cent of his subject on trust. He has to because he can't possibly do all the experiments, therefore he has to take on trust the experiments all his colleagues and predecessors have done. Whereas a mathematician doesn't have to take anything on trust. Any theorem that's proved, he doesn't believe it, really, until he goes through the proof himself, and therefore he knows his whole subject from scratch. He's absolutely 100 per cent certain of it. And that gives him an extraordinary conviction of certainty, and an arrogance that scientists don't have.
— Sir Erik Christopher Zeeman
Quotes by others about Sir Erik Christopher Zeeman (1)
An announcement of [Christopher] Zeeman’s lecture at Northwestern University in the spring of 1977 contains a quote describing catastrophe theory as the most important development in mathematics since the invention of calculus 300 years ago.
See also:
 4 Feb  short biography, births, deaths and events on date of Zeeman's birth.
 Threedimensional Theorems for Schools, by Sir Christopher Zeeman.  book suggestion.