A man never tells you anything until you contradict him.
George Bernard Shaw

A writer may tell me that he thinks man will ultimately become an ostrich. I cannot properly contradict him.
Thomas Malthus

All of which was OK, as that proved then, I certainly wouldn't contradict it as a necessary sense of things.
Robert Creeley

As liberty and intelligence have increased the people have more and more revolted against the theological dogmas that contradict common sense and wound the tenderest sensibilities of the soul.
Catharine Beecher

Before you contradict an old man, my fair friend, you should endeavor to understand him.
George Santayana

Do I contradict myself? Very well, then I contradict myself, I am large, I contain multitudes.
Walt Whitman

Faith embraces many truths which seem to contradict each other.
Blaise Pascal

I always love to quote Albert Einstein because nobody dares contradict him.
Studs Terkel

I begin with the principle that all men are bores. Surely no one will prove himself so great a bore as to contradict me in this.
Soren Kierkegaard

I believe every chess player senses beauty, when he succeeds in creating situations, which contradict the expectations and the rules, and he succeeds in mastering this situation.
Vladimir Kramnik

I have forced myself to contradict myself in order to avoid conforming to my own taste.
Marcel Duchamp

I never deny. I never contradict. I sometimes forget.
Benjamin Disraeli

In live action movies, you just hope that everything works. Because the actor may had a bad morning and doesn't play good, or accidents happen continuously. Many things contradict what you are trying to say. But in cartoons, nothing contradict what you want to say.
John Hench

In reply, I can only plead that a discovery which seems to contradict the general tenor of previous investigations is naturally received with much hesitation.
Charles Lyell

It is also said of me that I now and then contradict myself. Yes, I improve wonderfully as time goes on.
George Jean Nathan

It must be wonderful sport to contradict each other.
Queen Juliana

People who honestly mean to be true really contradict themselves much more rarely than those who try to be 'consistent'.
Oliver Wendell Holmes

Proverbs often contradict one another, as any reader soon discovers. The sagacity that advises us to look before we leap promptly warns us that if we hesitate we are lost; that absence makes the heart grow fonder, but out of sight, out of mind.
Leo Rosten

Read not to contradict and confute, nor to believe and take for granted... but to weigh and consider.
Francis Bacon

The First Law of Journalism: to confirm existing prejudice, rather than contradict it.
Alexander Cockburn