Ability Quote by Ludwig von Mises

Scientists do not believe in fundamental and absolute certainties. For the scientist, certainty is never an end, but a search; not the ordering of…

— Ashley Montagu

A scientist is never certain. ... We absolutely must leave room for doubt or there is no progress and there is no learning.

— Richard P. Feynman

“Humans may crave absolute certainty; they may aspire to it; they may pretend, as partisans of certain religions do, to have attained it. But…

— Carl Sagan

The very foundation of science is to keep the door open to doubt. Precisely because we keep questioning everything, especially our own premises, we…

— Carlo Rovelli

Absolute certainty is a privilege of uneducated minds and fanatics. - It is, for scientific folk, an unattainable ideal.

— Cassius Jackson Keyser

“In fact, certainty exists in very different modes. The kind of certainty afforded by a verification that has passed through doubt is different from…

— Hans-Georg Gadamer

Science is the outcome of being prepared to live without certainty and therefore a mark of maturity. It embraces doubt and loose ends.

— A.C. Grayling

Science is a very human form of knowledge. We are always at the brink of the known; we always feel forward for what is…

— Jacob Bronowski

If you thought that science was certain - well, that is just an error on your part.

— Richard P. Feynman

We have this very clean picture of science, you know, these well-established rules with which we make predictions. But when you're really doing science,…

— Lisa Randall

Science is not the affirmation of a set of beliefs but a process of inquiry aimed at building a testable body of knowledge constantly…

— Michael Shermer

Although it is uncertain, it is necessary to make science useful. Science is only useful if it tells you about some experiment that has…

— Richard P. Feynman