No endeavor that is worthwhile is simple in prospect; if it is right, it will be simple in retrospect.

Life improves slowly and goes wrong fast, and only catastrophe is clearly visible.

The best weapon of a dictatorship is secrecy; the best weapon of a democracy is openness.

Science attempts to find logic and simplicity in nature. Mathematics attempts to establish order and simplicity in human thought.

No endeavor that is worthwhile is simple in prospect; if it is right, it will be simple in retrospect.

Two paradoxes are better than one they may even suggest a solution.

The main purpose of science is simplicity and as we understand more things, everything is becoming simpler.