Go out as far as you can go and start from there

I have deep faith that the principle of the universe will be beautiful and simple

The same thinking that has led you to where you are is not going to lead you to where you want to go.

It is characteristic of the military mentality that non-human factors ... are held essential, while the human being, his desires and thoughts-in short, the psychological factors-are considered as unimportant and secondary.

Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.

The world is in greater peril from those who tolerate or encourage evil than from those who actually commit it.

Let every man judge according to his own standards, by what he has himself read, not by what others tell him.