Not ignorance, but ignorance of ignorance, is the death of knowledge.

No one who achieves success does so without acknowledging the help of others. The wise and confident acknowledge this help with gratitude.

The art of progress is to preserve order amid change and to preserve change amid order.

If a dog jumps into your lap, it is because he is fond of you; but if a cat does the same thing, it is because your lap is warmer.

There are no whole truths: All truths are half-truths.

Religion is the last refuge of human savagery.

Philosophy begins in wonder. And, at the end, when philosophic thought has done its best, the wonder remains.

...the self-satisfied dogmatism with which mankind at each period of its history cherishes the delusion of the finality of existing modes of knowledge.

Knowledge shrinks as wisdom grows.

Symbolism is no mere idle fancy or corrupt degeneration: it is inherent in the very texture of human life.

From the very beginning of his education, the child should experience the joy of discovery.

Man is nothing else but what he makes of himself.

I would just as soon remain jamona than shed that many tears over a man.

Even his conversation was, as it were, a spoken part.

I end up doing selfies 'cause I am so sad.

Why in the world would you have it interpreted by nine lawyers?

Not a wasted word. This has been a main point to my literary thinking all my life.

Misinterpretation is the most deadly of human sins.

There's no accepted global policy on what to do about asteroid impacts.

At that [childhood] time, of course, if you were involved in art, it was going to be drawing and painting, because that's the only thing that was taught in the schools.

Have you noticed that the people who actually make the laws, the people in power, never make laws for themselves?