True friendship ought never to conceal what it thinks.
St. Jerome

And you finally get to a consensus, where you get a sense of what really ought to be done, and then they give it to me and then I draw it. I mean draw it in the sense, the philosophical sense.
Lawrence Halprin

I'm proof against that word failure. I've seen behind it. The only failure a man ought to fear is failure of cleaving to the purpose he sees to be best.
George Eliot

Any good piece of material like Shakespeare ought to be open to reinterpretation.
Denzel Washington

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

Men do less than they ought, unless they do all that they can.
Thomas Carlyle

No government ought to be without censors; and where the press is free, no one ever will. Chance is the pseudonym of God when he did not want to sign.
Anatole France

The maxim, that governments ought to train the people in the way in which they should go, sounds well. But is there any reason for believing that a government is more likely to lead the people in the right way than the people to fall into the right way of themselves?
Thomas Babington

And to say that society ought to be governed by the opinion of the wisest and best, though true, is useless. Whose opinion is to decide who are the wisest and best?
Thomas Babington

If your knees aren't green by the end of the day, you ought to seriously re-examine your life.
Bill Watterson

The world of a comic strip ought to be a special place with its own logic and life... I don't want the issue of Hobbes's reality settled by a doll manufacturer.
Bill Watterson

Some dying men are the most tyrannical; and certainly, since they will shortly trouble us so little for evermore, the poor fellows ought to be indulged.
Herman Melville

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

Let men decide firmly what they will not do, and they will be free to do vigorously what they ought to do.
Mencius

The philosopher ought never to try to avoid the duty of making up his mind.
Mortimer Adler

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

Don't let anyone tell you what you ought to like... Some wines that some experts think are absolutely exquisite don't appeal to me at all.
John Cleese

A thousand painters ought to be killed yearly. Say what you like: I'm every inch a painter.
Paul Cezanne

Liberty, as well as honor, man ought to preserve at the hazard of his life, for without it life is insupportable.
Miguel de Cervantes

Reason is, and ought only to be the slave of the passions, and can never pretend to any other office than to serve and obey them.
David Hume