The most precious things in life are not those you get for money.

The fact that man produces a concept "I" besides the totality of his mental and emotional experiences or perceptions does not prove that there must be any specific existence behind such a concept. We are succumbing to illusions produced by our self-created language, without reaching a better understanding of anything. Most of so-called philosophy is due to this kind of fallacy.

Insofar as we may at all claim that slavery has been abolished today, we owe its abolition to the practical consequences of science

Knowledge is dead; the school, however, serves the living.

The world needs heroes and it's better they be harmless men like me than villains like Hitler

The special theory of relativity owes its origins to Maxwell's equations of the electromagnetic field.

The whole of science is nothing more than a refinement of everyday thinking.