Harold Urey Quotes
4 Sourced Quotes
To those of us who spend our lives working on scientific problems, science is a great intellectual adventure of such interest that nothing else we ever do can compare with it. We are attempting to understand the order of a physical universe, vast in extent in space and time, and most complicated and beautiful in its details.
The common assumption is that the earth and its atmosphere have always been as they are now, but if this is assumed it is necessary to account for the present highly oxidized conditions by some processes taking place early in the earth's history. Briefly, the highly oxidized condition is rare in the cosmos.
Today we are engaged in a contest for human freedom. During the last war we crushed one type of totalitarian tyranny in a military sense, but the ideological fight has not been won, for we cannot eliminate ideas by physical means and yet maintain freedom of thought. Only better and more inspiring ideas can be used to fight tyrannical ideas.