Cynic, n: a blackguard whose faulty vision sees things as they are, not as they ought to be.
Ambrose Bierce

Compromise, n. Such an adjustment of conflicting interests as gives each adversary the satisfaction of thinking he has got what he ought not to have, and is deprived of nothing except what was justly his due.
Ambrose Bierce

When it is not in our power to follow what is true, we ought to follow what is most probable.
Rene Descartes

In order to improve the mind, we ought less to learn, than to contemplate.
Rene Descartes

Freedom consists not in doing what we like, but in having the right to do what we ought.
Pope John Paul II

We've only been wealthy in this country for 70 years. Who said we ought to have all this? Is it ordained?
Jack Welch

We ought not to treat living creatures like shoes or household belongings, which when worn with use we throw away.
Plutarch

I think one's feelings waste themselves in words; they ought all to be distilled into actions which bring results.
Florence Nightingale

Language ought to be the joint creation of poets and manual workers.
George Orwell

Being "contented" ought to mean in English, as it does in French, being pleased. Being content with an attic ought not to mean being unable to move from it and resigned to living in it; it ought to mean appreciating all there is in such a position.
Gilbert K. Chesterton

In matters of truth the fact that you don't want to publish something is, nine times out of ten, a proof that you ought to publish it.
Gilbert K. Chesterton

"Sex" is as important as eating or drinking and we ought to allow the one appetite to be satisfied with as little restraint or false modesty as the other.
Marquis de Sade

Man is fond of counting his troubles, but he does not count his joys. If he counted them up as he ought to, he would see that every lot has enough happiness provided for it.
Fyodor Dostoevsky

Monarchs ought to put to death the authors and instigators of war, as their sworn enemies and as dangers to their states.
Elizabeth I

To know what you prefer instead of humbly saying Amen to what the world tells you ought to prefer, is to have kept your soul alive.
Robert Louis Stevenson

I think that in the discussion of natural problems we ought to begin not with the Scriptures, but with experiments, and demonstrations.
Galileo Galilei

Duty, Honor, Country. Those three hallowed words reverently dictate what you ought to be, what you can be, what you will be.
Douglas MacArthur

Three things are necessary for the salvation of man: to know what he ought to believe; to know what he ought to desire; and to know what he ought to do.
Thomas Aquinas

Justice is a certain rectitude of mind whereby a man does what he ought to do in the circumstances confronting him.
Thomas Aquinas

A man ought to live so that everybody knows he is a Christian... and most of all, his family ought to know.
Dwight L. Moody