Women always worry about things that men forget; men always worry about things women remember.

It is true that the grasping of truth is not possible without empirical basis. However, the deeper we penetrate and the more extensive and embracing our theories become the less empirical knowledge is needed to determine those theories.

I believe the most important mission of the state is to protect the individual and make it possible for him to develop into a creative personality.

I never allow myself to become discouraged under any circumstances. The three great essentials to achieve anything worthwhile are first, hard work, second, stick-to-ittiveness, third, common sense.

One scientific epoch ended and another began with James Clerk Maxwell.

Common sense consists of those layers of prejudice laid down before the age of 18.

If [quantum theory] is correct, it signifies the end of physics as a science.