Only six men in the world know about relativity. I am not one of them. When I ask them to explain, they confused me.

I have repeatedly said that in my opinion the idea of a personal God is a childlike one.

I prefer to make up my own quotes and attribute them to very smart people, so that I can use them to win arguments

Vegetarian food leaves a deep impression on our nature. If the whole world adopts vegetarianism, it can change the destiny of humankind.

Be kind to people who are different from you.

If I would be a young man again and had to decide how to make my living, I would not try to become a scientist or scholar or teacher. I would rather choose to be a plumber or a peddler in hope to find that modest degree of independence still available under present circumstances.

Is it not a terrible thing to be forced by society to do things which all of us as individuals regard as abominable crimes?