"In science it often happens that scientists say,……" — Carl Sagan

"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."

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467 Quotes by Carl Sagan

Carl Sagan has 467 quotes on this site. A few more worth reading:

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More Actually Change Quotes

This quote is filed under Actually Change Quotes, one of 25 quotes in that category. Here are a few more:

Encouragement is awesome. Think about it. It has the capacity to lift a man's or a woman's shoulders. To breathe… — Charles R. Swindoll
I feel that I have such an abundance in my life, and once you've seen how many people suffer and… — Wendie Malick
Wearing the right thing, at the right moment, could actually change your life. — Penelope Tree
Let me tell you humans something. You are not fighters. You don’t have what it takes to actually change your… — Charles Lee
If a man spends enough time in a library, he may actually change his mind. I have seen it happen. — Roger Rosenblatt
The software programs that make our body run ... were evolved in very different times. We'd like to actually change… — Ray Kurzweil
It’s funny how life can change so much but still nothing changes at all. Or maybe it’s that life changes,… — Lights
We now know that the way to help a child develop optimally is to help create connections in her brain—her… — Daniel J. Siegel
Encouragement is awesome. It (can) actually change the course of another person's day, week, or life. — Charles R. Swindoll
If voting could actually change anything, it would be illegal. — Noam Chomsky
So I didn't actually change my name the way some people did. — Herbie Hancock
For stubborn souls like Lisette, death was easier than the courage it took to actually change your life. — Sarah Addison Allen

See all 25 Actually Change Quotes »