Wise men learn more from fools than fools from the wise.

The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.

Experience teaches slowly and at the cost of mistakes.

The hatred of relatives is the most violent.

They know enough who know how to learn.

Morality is a private and costly luxury.

 image quote by David McCullough

Don't climb mountains so that people can see you. Climb mountains that you can see the world.

In order to go on living one must try to escape the death involved in perfectionism.

Of all possessions a friend is the most precious.

Things are not to be judged good or bad merely because the public think so.

Things forbidden have a secret charm.

The worst part a man can suffer is to have insight into much and power over nothing.

Those that despise people will never get the best out of others and themselves.

 image quote by Thucydides

The strong do what they have to do and the weak accept what they have to accept.

We enter the world alone, we leave the world alone.

An angry man opens his mouth and shuts his eyes.

The only good is knowledge, and the only evil is ignorance.

Many who seem to be struggling with adversity are happy; many, amid great affluence, are utterly miserable.

He that will be angry for anything will be angry for nothing.

In politics... shared hatreds are almost always the basis of friendships.

 image quote by Daniel J. Boorstin

Education is learning what you didn't even know you didn't know.

All bodies are slow in growth but rapid in decay.

Education is learning what you didn't even know you didn't know.

Education is a progressive discovery of our own ignorance.

Valor is of no service, chance rules all, and the bravest often fall by the hands of cowards.

The more corrupt the state, the more laws.

In all things there is a law of cycles.

 image quote by Arthur Helps

No man who has not sat in the assemblies of men can know the light, odd and uncertain ways in which decisions are often arrived at.

The most hateful human misfortune is for a wise man to have no influence.

Books are those faithful mirrors that reflect to our mind the minds of sages and heroes.

The better one is morally the less aware they are of their virtue.

Great deeds are usually wrought at great risks.

After I'm dead I'd rather have people ask why I have no monument than why I have one.

The destiny of man is in his own soul

If we must fall, we should boldly meet the danger.

All men's gains are the fruit of venturing.

There is a strange interdependence between thoughtlessness and evil.

Your first duty as a writer is to write to please yourself.

And you have no duty towards anyone else.

Liberty is not the power of doing what we like, but the right to do what we ought.

Delay is the deadliest form of denial.

Necessity makes even the timid brave.

In nine times out of ten, the slanderous tongue belongs to a disappointed person.

Even the bravest men are frightened by sudden terrors.

Death is a delightful hiding place for weary men.

If you are ruled by mind you are a king; if by body, a slave.

There are no dangerous thoughts; thinking itself is dangerous.

There are many men of principle in both parties in America, but there is no party of principle.

The trouble with most people is that they think with their hopes or fears or wishes, rather than their minds.

The secret of Happiness is Freedom, and the secret of Freedom, Courage.

Truth is confirmed by inspection and delay; falsehood by haste and uncertainty.

Consistency requires you to be as ignorant today as you were a year ago.

Illness strikes men when they are exposed to change.

Time misspent in youth is sometimes all the freedom one ever has.

No one means all he says, and yet very few say all they mean, for words are slippery and thought is vicious.