We cannot get to where we dream of being tomorrow unless we change our thinking today.

How can it be that mathematics, being after all a product of human thought which is independent of experience, is so admirably appropriate to the objects of reality?

The tyranny of the ignoramuses is insurmountable and assured for all time.

The leader is one who, out of the clutter, brings simplicity... out of discord, harmony... and out of difficulty, opportunity.

Development of Western science is based on two great achievements: the invention of the formal logical system (in Euclidean geometry) by the Greek philosophers, and the discovery of the possibility to find out causal relationships by systematic experiment (during the Renaissance). In my opinion, one has not to be astonished that the Chinese sages have not made these steps. The astonishing thing is that these discoveries were made at all.

I never said half the crap people said I did.

Real sign of intelligence isn't knoweldge, it's imagination