The only cure for grief is action.

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 looking over a four-leaf clover that I overlooked before.

My feelings are Yevgeny Kafelnikov should take his prize money when he is done here and go and buy some perspective.

I don't care where you are in the world, people are aware of what technology is available to others. If you're in Nairobi, you're certainly aware of the iPhone.

My philosophy has always been that benefits should percolate up rather than trickle down.

As long as you are a part of the physical process of the existence, there is nothing that does not change.

Well, TV does a better job. In film, the justification has been that movies focused on stories or featuring people of color don't make money.

In our progress towards the goal, we ever see more and more enchanting scenery.

First they use technology to poison the planet, then they develop it further to escape from the planet they have poisoned.

Love is a great power, and such a strange power.

Once you're signed to a label you compromise.