Action Quote by Karl Jaspers

In its efforts to learn as much as possible about nature, modern physics has found that certain things can never be "known" with certainty.…

— Richard P. Feynman

I think that we shall have to get accustomed to the idea that we must not look upon science as a 'body of knowledge,'…

— Karl Popper

“Conventional wisdom nor scientific, mathematical prove of randomness in life could do nothing to deter human's curiosity for the unknown, however small the chance…

— Vann Chow

When general observations are drawn from so many particulars as to become certain and indisputable, these are jewels of knowledge.

— Isaac Watts

Scientific knowledge is a body of statements of varying degrees of certainty -- some most unsure, some nearly sure, none absolutely certain.

— Richard P. Feynman

All knowledge that is not the real product of observation, or of consequences deduced from observation, is entirely groundless and illusory.

— Jean-Baptiste Lamarck

All knowledge is in response to a question. If there were no question, there would be no scientific knowledge. Nothing proceeds from itself.

— Gaston Bachelard

“But natural experiments don’t have to be explicitly random, like lotteries. Once you start looking for randomness, you see it everywhere—and can use it…

— Seth Stephens-Davidowitz

Experiment is the only means of knowledge at our disposal. Everything else is poetry, imagination.

— Max Planck

From all this it follows what the general character of the problem of the development of a body of scientific knowledge is, in so…

— Talcott Parsons

Knowledge will not always take the place of simple observation.

— Arnold Lobel

The true method of knowledge is experiment.

— William Blake