Science is nothing but developed perception, interpreted intent, common sense rounded out and minutely articulated.
-George Santayana (1863-1952) U. S. philosopher and writer. The Life of Reason.
Science is facts; just as houses are made of stone, so is science made of facts; but a pile of stones is not a house, and a collection of facts is not necessarily science.
-Jules Henri Poincaré (1854-1912) French mathematician.
Science is what you know. Philosophy is what you don't know.
-Bertrand Russell (1872-1970) English philosopher, mathematician.
It requires a very unusual mind to undertake the analysis of the obvious.
-Alfred North Whitehead (1861-1947) English philosopher and mathematician.
[Those] who have an excessive faith in their theories or in their ideas are not only poorly disposed to make discoveries, but they also make very poor observations.
-Claude Bernard (1813-78) French physiologist, 1865.
It is a popular delusion that the scientific enquirer is under an obligation not to go beyond generalisation of observed facts...but anyone who is practically acquainted with scientific work is aware that those who refuse to go beyond the facts, rarely get as far.
-Thomas Henry Huxley (1825-95) English biologist.
Those who are not shocked when they first come across quantum mechanics cannot possibly have understood it.
-Niels Henrik David Bohr (1885-1962) Danish physicist.
To say that a man is made up of certain chemical elements is a satisfactory description only for those who intend to use him as a fertilizer.
-Hermann Joseph Muller (1890-1967) U. S. geneticist. Nobel prize for medicine 1946.
When we try to pick out anything by itself, we find it is tied to everything else in the universe.
-John Muir (1838-1914) U. S. naturalist, explorer.
A man must have a certain amount of intelligent ignorance to get anywhere.
-Charles Franklin Kettering (1876-1958) U. S. engineer and inventor.
