Carl Sagan Quotes

But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright brothers. But they also laughed at Bozo the Clown.

Carl Sagan

One of the saddest lessons of history is this: If we've been bamboozled long enough, we tend to reject any evidence of the bamboozle. The bamboozle has captured us. Once you give a charlatan power over you, you almost never get it back

Carl Sagan

Evidence that contradicts the ruling belief system is held to extraordinary standards, while evidence that entrenches it is uncritically accepted.

Carl Sagan

We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.

Carl Sagan

It is the tension between creativity and skepticism that has produced the stunning and unexpected findings of science.

Carl Sagan

The universe is not required to be in perfect harmony with human ambition.

Carl Sagan

It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring.

Carl Sagan

If we like them, they're freedom fighters . . . If we don't like them, they're terrorists. In the unlikely case we can't make up our minds, they're temporarily only guerrillas.

Carl Sagan

Science is a way of thinking much more than it is a body of knowledge.

Carl Sagan

Science is not only compatible with spirituality; it is a profound source of spirituality

Carl Sagan

Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense.

Carl Sagan

That we can now think of no mechanism for astrology is relevant but unconvincing. No mechanism was known, for example, for continental drift when it was proposed by Wegener. Nevertheless, we see that Wegener was right, and those who objected on the grounds of unavailable mechanism were wrong.

Carl Sagan

For all our conceits about being the center of the universe, we live in a routine planet of a humdrum star stuck away in an obscure corner ... on an unexceptional galaxy which is one of about 100 billion galaxies. ... That is the fundamental fact of the universe we inhabit, and it is very good for us to understand that.

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.

Carl Sagan

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