I cannot give any scientist of any age better advice than…

I cannot give any scientist of any age better advice than this: the intensity of a conviction that a hypothesis is true has no…

— Peter Medawar

The intensity of a conviction that a hypothesis is true has no bearing on whether it is true or false. The importance of the…

— Peter Medawar

What the use of P [the significance level] implies, therefore, is that a hypothesis that may be true may be rejected because it has…

— Harold Jeffreys

Mr. Darwin's hypothesis is not, so far as I am aware, inconsistent with any known biological fact; on the contrary, if admitted, the facts…

— Thomas Huxley

Any scientist of any age who wants to make important discoveries must study important problems. Dull or piffling problems yield dull or piffling answers.…

— Peter Medawar

“he was the most gifted English scientist of his age, but also the strangest. He suffered, in the words of one of his few…

— Bill Bryson

It can be said with complete confidence that any scientist of any age who wants to make important discoveries must study important problems. Dull…

— Peter Medawar

Statistically, it would seem improbable that any mathematician or scientist, at the age of 66, would be able through continued research efforts, to add…

— John Forbes Nash

“There is nothing distinctively scientific about the hypothetico-deductive process. It is not even distinctively intellectual. It is merely a scientific context for a much…

— Peter B. Medawar

There's nothing harder to stop than somebody who wants to believe a miracle.

— Leslie Ford

“Anyway, I thought, it's wishful thinking, all this talk of ghosts. If the dead wandered among us, their spirits still present on this earth,…

— Carolyn Parkhurst

Providence and Manifest Destiny are synonyms often invoked to support arguments based on wishful thinking.

— Frank Herbert

Theorems often tell us complex truths about the simple things, but only rarely tell us simple truths about the complex ones. To believe otherwise…

— Marvin Minsky

Maybe it's wishful thinking, this snaggly faith of mine, or maybe it's Miles Davis saying, Don't play what's there, play what's not there.

— Anne Lamott

“What would be the use of distributing millions upon billions upon trillions of sublime rasa-saturated scriptures if, as a result of all the hustle…

— Aindra Das