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In the long run, the aggressive civilizations destroy themselves, almost always. It's their nature. They can't help it.

— Carl Sagan Contact (1985)

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Nature

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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Utu, shepherd of the land, father of the black-headed, when you go to sleep, the people go to sleep with you; youth Utu, when you rise, the people rise with you.

Lugalbanda

The winds and waves are always on the side of the ablest navigators.

Edward Gibbon The History of the Decline And Fall Of The Roman Empire (1776)

Matter gave birth to a passion that has no equal, which proceeded from something contrary to nature. Then there arises a disturbance in its whole body.

Jesus

Darkness cannot drive out darkness: only light can do that. Hate cannot drive out hate: only love can do that.

Martin Luther King Jr.

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.