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Proof Quotes - Page 6

It has been said that Poland is dead, exhausted, enslaved, but here is the proof of her life and triumph.

Henryk Sienkiewicz (2013). “Henryk Sienkiewicz: Three Stories”, p.7, Wildside Press LLC

Hard times require furious dancing. Each of us is proof.

Alice Walker (2013). “Hard Times Require Furious Dancing: New Poems”, p.16, New World Library

Any good theorem should have several proofs, the more the better.

"Interview with Michael Atiyah and Isadore Singer". Interview with Martin Raussen, Christian Skau, www.researchgate.net. February 2005.

A mathematical proof must be perspicuous.

Ludwig Wittgenstein, Gertrude Elizabeth Margaret Anscombe, Rush Rhees, Georg Henrik Wright (1967). “Remarks on the foundations of mathematics”

Science demands objective factual evidence - proof; spiritual experience is subjective and leads to faith.

Jane Goodall, Phillip Berman (1999). “Reason for Hope: A Spiritual Journey”, p.107, Hachette UK

The perverse presumption that places the burden of proof on the challenger of spending must be inverted, back to the rule that applies elsewhere in life: 'Prove to me why we should.

Keynote Speech to the Conservative Political Action Committee, delivered 11 February 2011, Ronald Reagan Centennial Dinner, Washington, D.C.

I have never seen what to me seemed an atom of proof that there is a future life. And yet-I am inclined to expect one.

Mark Twain (2017). “MARK TWAIN - The Man Behind the Humor: Complete Autobiographical Books & Biographies: The Complete Travel Books, Essays, Autobiographical Writings, Speeches & Letters, With Author’s Biography; The Innocents Abroad, Roughing It, Life on the Mississippi, What Is Man, Christian Science…”, p.6371, e-artnow