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Since, in the long run, every planetary society will be endangered by impacts from space, every surviving civilization is obliged to become spacefaring — not because of exploratory or romantic zeal, but for the most practical reason imaginable: staying alive.

— Carl Sagan Pale Blue Dot: A Vision of the Human Future in Space (1994)

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More quotes by Carl Sagan

Human history can be viewed as a slowly dawning awareness that we are members of a larger group.

Cosmos (1980)

If you wish to make an apple pie from scratch, you must first invent the universe.

Cosmos (1980)

As the ancient myth makers knew, we are children equally of the earth and the sky.

Cosmos (1980)

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

Contact (1985)

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

The Demon-Haunted World : Science as a Candle in the Dark (1995)

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The stars awaken a certain reverence, because though always present, they are inaccessible; but all natural objects make a kindred impression, when the mind is open to their influence. Nature never wears a mean appearance.

Ralph Waldo Emerson Nature (1836)

Her blue eyes sought the west afar,
For lovers love the western star.

Walter Scott The Lay of the Last Minstrel (1805)

Einstein's space is no closer to reality than Van Gogh's sky.

Arthur Koestler The Act of Creation (1964)

The Universe is made of stories, not of atoms.

Muriel Rukeyser The Speed of Darkness (1968)

Attribution

Quote text and notes from Wikiquote: Carl Sagan (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.