The idea came like a flash of lightning and in an instant the truth was revealed.

The day science begins to study non-physical phenomena, it will make more progress in one decade than in all the previous centuries of its existence.

The opinion of the world does not affect me. I have placed as the real values in my life what follows when I am dead.

I am equally proud of my Serbian origin and my Croatian fatherland.

Let the future tell the truth and evaluate each one according to his work and accomplishments. The present is theirs; the future, for which I really worked, is mine.

It is a mere question of time when men will succeed in attaching their machinery to the very wheelwork of nature.

What one man calls God, another calls the laws of physics.