Lasting harmony with a woman (was) an undertaking in which I twice failed rather disgracefully.

My primary process of perceiving is muscular and visual.

Since I do not forsee that atomic energy is to be a great boon for a long time, I have to say that for the present it is a menace. Perhaps it is well that it should be. It may intimidate the human race into bringing order into its international affairs, which, without the presence of fear, it would not do.

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

No idea is conceived in our mind independent of our five senses [i.e., no idea is divinely inspired].

You ask me if I keep a notebook to record my great ideas. I've only ever had one.

What good is a reputation not put to good use.