Carl Sagan Quotes

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

We are the product of 4.5 billion years of fortuitous, slow biological evolution. There is no reason to think that the evolutionary process has stopped. Man is a transitional animal. He is not the climax of creation. Carl Sagan

To make an apple pie from scratch, you must first invent the universe. Carl Sagan

A central lesson of science is that to understand complex issues (or even simple ones), we must try to free our minds of dogma and to guarantee the freedom to publish, to contradict, and to experiment. Arguments from authority are unacceptable. Carl Sagan

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

I am often amazed at how much more capability and enthusiasm for science there is among elementary school youngsters than among college students. Carl Sagan

Imagination will often carry us to worlds that never were. But without it we go nowhere. Carl Sagan

Personally, I would be delighted if there were a life after death, especially if it permitted me to continue to learn about this world and others, if it gave me a chance to discover how history turns out. Carl Sagan

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

The universe seems neither benign nor hostile, merely indifferent. 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

Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people. 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

The well-meaning contention that all ideas have equal merit seems to me little different from the disastrous contention that no ideas have any merit. Carl Sagan