Wit and humor belong to genius alone.

Pray, look better, sir... those things yonder are no giants, but windmills.

Never stand begging for that which you have the power to earn.

In order to attain the impossible, one must attempt the absurd.

He who loses wealth loses much; he who loses a friend loses more; but he that loses his courage loses all.

How will he who does not know how to govern himself know how to govern others?

Three things too much, and three too little are pernicious to man; to speak much, and know little; to spend much, and have little; to presume much, and be worth little.

That one man scorned and covered with scars Still strove with his last ounce of courage To reach the unreachable star.

Too much sanity may be madness and the maddest of all, to see life as it is and not as it should be.

The wicked are always ungrateful.

Her father guarded her, and she guarded herself; for there are no padlocks, bolts, or bars, that secure a maiden better than her own reserve.

In winter, on the darkest nights, one rejoices even to see the tiniest sliver of a moon.

The frame is the reward of the artist.

When you are in difficulties, look upon the overcoming of them as a great adventure.

Indeed, this epistemological theory of the relation between theory and experiment differs sharply from the epistemological theory of naive falsificationism.

Love and exclusive possession can never go together.

I often remembered also that I had been told, that we shall have as many devils biting us, if we go to hell, as we have unconfessed sins on our consciences.

The United States of America became the envy of the world because we welcomed the best and brightest minds from anywhere on the planet and gave them the opportunity to succeed.

The point of life is not to get anywhere-it is to notice that you are, and have always been, already there.

Art has no purpose. It exists for its own sake.

No being can make another one happy.