Carl Sagan quotes
10 quotes by Carl Sagan
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Imagination
will often carry us to
worlds
that never were. But
without
it we go
nowhere
.
Carl Sagan
2
Extraordinary
claims
require extraordinary
evidence
.
Carl Sagan
1
The
universe
is not required to be in perfect
harmony
with
human
ambition
.
Carl Sagan
1
We are one
species
. We are
starstuff
.
Carl Sagan
0
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