Capable Quote by William Whewell

Facts have to be discovered by observation, not by reasoning

— Bertrand Russell

We first observe facts, then generalise, and then draw conclusions or principles.

— Swami Vivekananda

Scientific method, although in its more refined forms it may seem complicated, is in essence remarkably simply. It consists in observing such facts as…

— Bertrand Russell

Knowledge is the intellectual manipulation of carefully verified observations.

— Sigmund Freud

“To produce a valuable observation, one has first to have an idea of what to observe, a preconception of what is possible. Scientific advances…

— François Jacob

The historical approach to understanding of scientific fact is what differentiates the scholar in science from the mere experimenter.

— Edwin Boring

We see what we want to see, and observation conforms to hypothesis.

— Bergen Evans

“The successful development of science requires a proper balance to be maintained between the method of building up from observations and the method of…

— Paul A.M. Dirac

The physicist, in his study of natural phenomena, has two methods of making progress: (1) the method of experiment and observation, and (2) the…

— Paul Dirac

In the final, the positive, state, the mind has given over the vain search after absolute notions, the origin and destination of the universe,…

— Auguste Comte

Taking experimental results and observations for granted and putting the burden of proof on the theory means taking the observational ideology for granted without…

— Paul Feyerabend

Man does not limit himself to seeing; he thinks and insists on learning the meaning of phenomena whose existence has been revealed to him…

— Claude Bernard