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In our tenure on this planet we've accumulated dangerous evolutionary baggage — propensities for aggression and ritual, submission to leaders, hostility to outsiders — all of which puts our survival in some doubt.

— Carl Sagan Cosmos (1980)

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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)

All Carl Sagan quotes →

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.