Demonstrable Quotes (1 quote)
If there were some deep principle that drove organic systems towards living systems, the operation of the principle should easily be demonstrable in a test tube in half-a-morning. Needless to say, no such demonstration has ever been given. Nothing happens when organic materials are subjected to the usual prescription of showers of electrical sparks or drenched in ultraviolet light, except the eventual production of a tarry sludge.
In Facts and Dogmas in Cosmology and Elsewhere: The Rede Lecture 1982 (1982), 12-13.
In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.
(1987) -- 
