Carl Sagan Quotes

Carl Edward Sagan was an American astronomer, cosmologist, astrophysicist, astrobiologist, author, science popularizer, and science communicator in astronomy and other natural sciences. Sagan is best known for his work as a science popularizer and communicator. His best known scientific contribution is research on extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by radiation. Sagan assembled the first physical messages sent into space: the Pioneer plaque and the Voyager Golden Record, universal messages that could potentially be understood by any extraterrestrial intelligence that might find them. Sagan argued the now accepted hypothesis that the high surface temperatures of Venus can be attributed to and calculated using the greenhouse effect. ...more

Birth: November 09, 1934 - Death: December 20, 1996

If it can be destroyed by the truth, it deserves to be destroyed by the truth.

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

Topic(s): Ifs , Wisdom , Power

For small creatures such as we the vastness is bearable only through love.

Topic(s): Inspirational , Life , Love

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

Topic(s): World , Art , Life

Somewhere, something incredible is waiting to be known.

Topic(s): Inspirational , Science , Waiting

Nothing disturbs me more than the glorification of stupidity.

Topic(s): Stupidity , Bothered , Glorification

Extraordinary observations require extraordinary evidence to make them believable.

Topic(s): Evidence , Extraordinary , Observation

We’ve arranged a civilization in which most crucial elements profoundly depend on science and technology.

Topic(s): Technology , Depends , Elements

If we are not able to ask skeptical questions, to interrogate those who tell us that something is true, to be skeptical of those in authority, then, we are up for grabs for the next charlatan (political or religious) who comes rambling along.

Topic(s): Ifs , Able , Political

I think the health of our civilization, the depth of our awareness about the underpinnings of our culture, and our concern for the future, can all be tested by how well we support our libraries.

Topic(s): Thinking , Wells , Culture

Across the sea of space, the stars are other suns.

Topic(s): Stars , Space , Sun

It means nothing to be open to a proposition we don’t understand.

Topic(s): Mean , Religion , Atheist

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Carl Sagan Quotes