A person who has not done one half his day's work by ten o clock, runs a chance of leaving the other half undone.
Emily Bronte

All of us, whether guilty or not, whether old or young, must accept the past. It is not a case of coming to terms with the past. That is not possible. It cannot be subsequently modified or undone.
Richard von Weizsaecker

An idealist believes the short run doesn't count. A cynic believes the long run doesn't matter. A realist believes that what is done or left undone in the short run determines the long run.
Sydney J. Harris

Another such victory over the Romans, and we are undone.
Pyrrhus

Anything that is worth doing has been done frequently. Things hitherto undone should be given, I suspect, a wide berth.
Max Beerbohm

Besides the noble art of getting things done, there is the noble art of leaving things undone. The wisdom of life consists in the elimination of non-essentials.
Lin Yutang

Even victors are by victories undone.
John Dryden

Faced with what is right, to leave it undone shows a lack of courage.
Confucius

I would have given my own life if I could have undone the killing of white men by my people.
Chief Joseph

If Terri was upset about how silly she would look, her mother was completely undone. Seems she wanted Terri in her full natural bloom, not with any blooming flower.
Audrey Meadows

Leave undone whatever you hesitate to do.
Kenko Yoshida

Life creates itself in delirium and is undone in ennui.
Emile M. Cioran

Oh Lord, may I be directed what to do and what to leave undone.
Elizabeth Fry

Only put off until tomorrow what you are willing to die having left undone.
Pablo Picasso

Sins cannot be undone, only forgiven.
Igor Stravinsky

So I guess the complete lack of any new developments is what struck me. That and the fact that much of the good we had done for the artists' side of the industry with G.O.D. had been just as quickly undone by the big boys.
Mike Wilson

So whatever I might have started to learn at that age was all undone by the next director and next crew in the next cheap picture, because I was allowed to get away with murder.
Jackie Cooper

The bitterest tears shed over graves are for words left unsaid and deeds left undone.
Harriet Beecher Stowe

The one who cannot restrain their anger will wish undone, what their temper and irritation prompted them to do.
Horace

The whole point of getting things done is knowing what to leave undone.
Oswald Chambers