A cell is regarded as the true biological atom.

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.

Love meant hope. Without love, life held no promise.

Your only limitations are the ties you allow to bind you.

There is absolutely nothing wrong with returning to the house you grew up in every now and again. It's good for the soul.

It is?classic Bill Clinton, sincere and deceptive at the same time, requiring a careful reading between the lines.

I accept that responsibility and ask only that I be judged by my performance as its chief executive.

The fans were phenomenal. It sounded like Sox Nation out there.

The facts will eventually test all our theories, and they form, after all, the only impartial jury to which we can appeal.

People were always pointing the finger at the fast food industry. And I was a big fan of personal responsibility - you know, no one is forcing you to eat. We're not geese being stuffed with corn.

I'm very political without being political. I don't know how to speak proper political language.