The discovery of nuclear reactions need not bring about the destruction of mankind any more than the discovery of matches.

Scarcely anyone who comprehends this theory can escape its magic.

The difference between what the most and the least learned people know is inexpressibly trivial in relation to that which is unknown.

I am a stronger follower of Veganism by principle, not just because of moral and aesthetic reasons. I truly believe in a Vegetarian lifestyle and I have faith and hopes in change in human destiny, thanks to the physical effects and benefits of a healthier diet and its influence on the character of the people. It will bring about some benefit and improvement to human society.

I do not much believe in education. Each person ought to be his or her own model, however frightful that may be.

There have already been published by the bucketsful such brazen lies and utter fictions about me that I would long since have gone to my grave if I had allowed myself to pay attention to them.

No scientist thinks in formulae.