1,131 Quotes by Carl Sagan

Other things being equal, it is better to be smart than to be stupid.

I am tormented with an everlasting itch for things remote. I love to sail forbidden seas ...

In order to make an apple pie from scratch, you must first invent the universe.

In exchange for freedom of inquiry, scientists are obliged to explain their work.

Eratosthenes was the director of the great library of Alexandria, the Centre of science and learning in the ancient world. Aristotle had argued that humanity was divided into Greeks and everybody else, whom he called barbarians and that the Greeks should keep themselves racially pure. He thought it was fitting for the Greeks to enslave other peoples. But Erathosthenes criticized Aristotle for his blind chauvinism, he believed there was good and bad in every nation.

The method of science, as stodgy and grumpy as it may seem, is far more important than the findings of science.

Where did God come from? If we decide this is an unanswerable question why not save a step and conclude that the origin of the universe is an unanswerable question.

If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.

For a long time the human instinct to understand was thwarted by facile religious explanations.