Science Quotes by Gaylord Nelson (2 quotes)
The most important environmental issue is one that is rarely mentioned, and that is the lack of a conservation ethic in our culture.
— Gaylord Nelson
…...
The ultimate test of man's conscience may be his willingness to sacrifice something today for future generations whose words of thanks will not be heard.
— Gaylord Nelson
Former governor of Wisconsin, Founder of Earth Day.

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) --
Carl Sagan
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