Insight is the first condition of Art.

Books minister to our knowledge, to our guidance, and to our delight, by their truth, their uprightness, and their art.

Science is the systematic classification of experience.

Originality is independence, not rebellion; it is sincerity, not antagonism.

It is unhappily true that much insincere Literature and Art, executed solely with a view to effect, does succeed by deceiving the public.

No man ever made a great discovery without the exercise of the imagination.

We must never assume that which is incapable of proof.

The true function of philosophy is to educate us in the principles of reasoning and not to put an end to further reasoning by the introduction of fixed conclusions.

Insincerity is always weakness; sincerity even in error is strength.

To write much, and to write rapidly, are empty boasts. The world desires to know what you have done, and not how you did it.

Good writers are of necessity rare.

I'm a reading addict. I can't live without it, like someone who is addicted to drugs.

Technology without morality is barbarous; morality without technology is impotent.

[P]hilosophy . . .consists chiefly in suggesting unintelligible answers to insoluble problems.

The Germans have a wonderful combination of pathos, energy, and humor. They are like Californians with an education.

Only by trying on other people's clothes do we find what size we are.

Let me say it diplomatically: Most religions are tribal to some degree.

They knew that love snatched in the face of danger and death was doubly sweet for the strange excitement that went with it.

Worrying is like paying a debt you don't owe.

I want to wake up every day and do whatever comes in my mind, and not feel pressure or obligations to do anything else in my life.

I don't believe in perfection. I don't think it exists.