Doubt Quote by Claude Bernard

The fundamental principle of science, the definition almost, is this: the sole test of the validity of any idea is experiment.

— Richard P. Feynman

The principle of science, the definition, almost, is the following: The test of all knowledge is experiment. Experiment is the sole judge of scientific…

— Richard P. Feynman

It is a truism to say that a good experiment is precisely that which spares us the exertion of thinking: the better it is,…

— Peter Medawar

The most useful thing about a principle is that it can always be sacrificed to expediency.

— W. Somerset Maugham

Experimentation is the least arrogant method of gaining knowledge. The experimenter humbly asks a question of nature.

— Isaac Asimov

In experimental philosophy, we are to look upon propositions inferred by general induction from phenomena as accurately or very nearly true, notwithstanding any contrary…

— Isaac Newton

In these researches I followed the principles of the experimental method that we have established, i.e., that, in presence of a well-noted, new fact…

— Claude Bernard

The whole art of making experiments in chemistry is founded on the principle: we must always suppose an exact equality or equation between the…

— Antoine Lavoisier

“The practice of good science requires that when we observe something that doesn’t fit a hypothesis, these observations need to be reckoned with somehow.”

— Nina Teicholz

He who experiments must, while doing so, divest himself of every preconception. It is clear then that if we wish to make use of…

— Maria Montessori

I'm suggesting that principles meant to deal with uncertainty that occurs naturally can be useful to manage the uncertainty that characterizes any new idea.

— Scott D. Anthony

The negative cautions of science are never popular. If the experimentalist would not commit himself, the social philosopher, the preacher, and the pedagogue tried…

— Margaret Mead