I don’t have any mottoes. If I did I would forever be…

Whose lines are mottoes of the heart,Whose truths electrify the sage.

— Thomas Campbell

The principles of logic and mathematics are true universally simply because we never allow them to be anything else. And the reason for this…

— A.J. Ayer

How can what an Englishman believes be hearsay? It is a contradiction in terms.

— George Bernard Shaw

“in the course of my observation, these disputing, contradicting, and confuting people are generally unfortunate in their affairs. They get victory sometimes, but they…

— Benjamin Franklin

We who live in free market societies believe that growth, prosperity and ultimately human fulfillment, are created from the bottom up, not the government…

— Ronald Reagan

Most of us are in touch with our intuition whether we know it or not, but we're usually in the habit of doubting or…

— Shakti Gawain

man is free, in so far as he has the power of contradicting himself and his essential nature. Man is free even from his…

— Paul Tillich

In writing a novel, the writer must be able to identify emotionally and intellectually with two or three or four contradicting perspectives and give…

— Amos Oz

In science the new is an advance; but in morals, as contradicting our inner ideals and historic idols, it is ever a retrogression.

— Jean Paul

God is angry with man. Unless we believe and repent we shall all be damned. It is impossible, indeed, for its advocates even to…

— Leslie Stephen

“Think of mental energy as broadcasting on a certain wavelength,” he tried to explain. “People with powers of the mind can tap into that…

— M.A. George

Placed as the fossils are in their several tiers of burial-places the one over the other; we have in them true witnesses of successive…

— Roderick Murchison

Theory is worth but little, unless it can explain its own phenomena, and it must effect this without contradicting itself; therefore, the facts are…

— Charles Caleb Colton

The joy is an absurd yellow tulip, popping up in my life, contradicting all the evidence that shows it should not be there.

— Marya Hornbacher

I do feel the weight of being the steward of the greatest sport the world ever came up with. I grew up with a…

— Jay Baruchel