Carl Sagan was a scientist and educator best known for his TV series Cosmos, the Pale Blue Dot image of Earth and quotes about life and Earth.

Carl Sagan is widely credited with inspiring a generation of scientists. But Sagan's humanistic words and actions also inspired many others. Here are five of his most compelling quotes.

Quotes From Carl Sagan: "Somewhere, something incredible is waiting to be known." "One glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years.

Carl Sagan was an eminent astronomer, cosmologist, author, and science communicator, well-known for his ability to capture the imagination with his words. Here are some of his most memorable quotes: ...

Awe-inspiring quotes from Carl Sagan reveal how we are fundamentally connected to the cosmos. ... late astronomer Carl Sagan helped us realize that life on Earth is a precious gift.

The quote came from an essay titled "Real Patriots Ask Questions," which Sagan co-authored with Ann Druyan, his widow and ...

Related: Carl Sagan: 'Cosmos,' Pale Blue Dot & famous quotes 'Cosmos' by Carl Sagan, The best-selling science book ever published in the English language, COSMOS is a magnificent overview of the ...

Beloved astronomer Carl Sagan made a prescient prediction about a populist "charlatan" that seems to have come true decades after his death. In a 1996 interview with journalist Charlie Rose ...

Carl Sagan hosted and co-wrote ‘Cosmos,’ a 13-part TV series that aired on PBS stations from 1980 to 1981. Mickey Adair/Michael Ochs Archives/Hulton Archive via Getty Images.

A documentary on Carl Sagan, legendary astronomer and 'Cosmos' author, is in the works from National Geographic Documentary Films and Seth MacFarlane.