Fashion changes, but style endures.
Comedy is acting out optimism.
Three may keep a secret, if two of them are dead.
Be that self which one truly is.
There is not such a cradle of democracy upon the earth as the Free Public Library, this republic of letters, where neither rank, office, nor wealth receives the slightest consideration.
Before I speak, I have something important to say.
Ladies who play with fire must remember that smoke gets in their eyes.
No flying machine will ever fly from New York to Paris.
Advice to intellectuals: let no-one represent you.
In the United States today, we have more than our share of the nattering nabobs of negativism.
The cloud is free only to go with the wind. The rain is free only in falling.
The Internet is becoming the town square for the global village of tomorrow.
Entrepreneurs are simply those who understand that there is little difference between obstacle and opportunity and are able to turn both to their advantage.
When you get to a certain age, there is no coming back.
You can't deny laughter; when it comes, it plops down in your favorite chair and stays as long as it wants.
Few men have virtue to withstand the highest bidder.
Do unto those downstream as you would have those upstream do unto you.
Every man is guilty of all the good he did not do.
Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense.
Hope is like the sun, which, as we journey toward it, casts the shadow of our burden behind us.
All men are liable to error; and most men are, in many points, by passion or interest, under temptation to it.