Aviation is proof that given, the will, we have the capacity to achieve the impossible. – Eddie Rickenbacker
Up to this day, there has been no proof of the existence of any intelligence other than the human. – Emile Zola
The great proof of madness is the disproportion of one’s designs to one’s means. – Napoleon Bonaparte
The devastating scale and frequency of my disappointment was proof of how much I still expected and wanted from the world, of what high hopes I still had for it. – Geoff Dyer
It is the final proof of God’s omnipotence that he need not exist in order to save us. – Peter De Vries
Atheists in our midst are proof that all consciences can be accommodated here, even those that have no ground for holding that conscience is sacred, inalienable, and prior to civil society. – Michael Novak
Being-alone is a deficient mode of being-with; its possibility is a proof for the latter. – Martin Heidegger
It is characteristic of science that the full explanations are often seized in their essence by the percipient scientist long in advance of any possible proof. – John Desmond Bernal
Many women do not recognize themselves as discriminated against; no better proof could be found of the totality of their conditioning. – Kate Millett
Exceptions are not always the proof of the old rule; they can also be the harbinger of a new one. – Marie von Ebner-Eschenbach
A proof is a proof. What kind of a proof? It’s a proof. A proof is a proof. And when you have a good proof, it’s because it’s proven. – Jean Chretien
There is abundant proof that the opening of our ports always tends to raise the price of foreign corn to the price in the English market, and not to sink the price of British corn to the price in the continental market. – Joseph Hume
Everybody believes in psychiatry; it’s supposed to be for our own good. Let psychiatry prove that anybody has an illness, and I’d concede, but there is no physical proof. – Kate Millett
The proof that God has revealed himself to man by special and express communications, and that Christianity constitutes that revelation, is no part of these inquiries. – Simon Greenleaf