Enveloped Quotes (1 quote)
Our science is a drop, our ignorance a sea. Whatever else be certain, this at least is certain—that the world of our present natural knowledge is enveloped in a larger world of some sort of whose residual properties we at present can frame no positive idea.
In Address to Harvard Young Men’s Christian Association, 'Is Life Worth Living?', collected in The Will to Believe and other Essays in Popular Philosophy, (1897, 2006), 54. Published earlier in International Journal of Ethics (Oct 1895).

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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