“A statesman cannot afford to be a moralist.”

Science gives us knowledge, but only philosophy can give us wisdom.

To say nothing, especially when speaking, is half the art of diplomacy.

Civilization is the order and freedom is promoting cultural activity.

Education is a progressive discovery of our own ignorance.

We are the not the best informed as the events of the last sixty centuries.

When liberty becomes license, dictatorship is near.

Moral codes adjust themselves to environmental conditions.

Inquiry is fatal to certainty.

Nothing is often a good thing to say, and always a clever thing to say.

Tired mothers find that spanking takes less time than reasoning and penetrates sooner to the seat of the memory.

Every vice was once a virtue, and may become respectable again, just as hatred becomes respectable in wartime.

Nature has never read the Declaration of Independence. It continues to make us unequal.

We are living in the excesses of freedom. Just take a look at 42nd Street and Broadway.

There have been only 268 of the past 3,421 years free of war.

Woe to him who teaches men faster than they can learn.

We Americans are the best informed people on earth as to the events of the last twenty-four hours.

The concept that you cannot own the airwaves has caused far more harm than good.

While money can’t buy happiness it certainly lets you choose your own form of misery.

Oh mortal man, is there anything you cannot be made to believe?

We cannot take one step in geology without drawing upon the fathomless stores of by-gone time.

The one thing that cannot be outsourced is creativity.

Chemistry cannot be purchased.

Now it would be as absurd to deny the existence of God, because we cannot see him, as it would be to deny the existence of the air or wind, because we cannot see it.

Never take no from somebody who cannot say yes.