You have to know the past to understand the present.
CARL SAGANEvery one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.
More Carl Sagan Quotes
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The universe seems neither benign nor hostile, merely indifferent.
CARL SAGAN -
All over the world there are enormous numbers of smart, even gifted, people who harbor a passion for science.
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Not explaining science seems to me perverse. When you’re in love, you want to tell the world.
CARL SAGAN -
Your god is too small for my universe.
CARL SAGAN -
We can’t help it. Life looks for life.
CARL SAGAN -
I consider it an extremely dangerous doctrine, because the more likely we are to assume that the solution comes from the outside, the less likely we are to solve our problems ourselves.
CARL SAGAN -
What an astonishing thing a book is.
CARL SAGAN -
When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion.
CARL SAGAN -
Science is a way of thinking much more than it is a body of knowledge.
CARL SAGAN -
Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
CARL SAGAN -
If I finish a book a week, I will read only a few thousand books in my lifetime, about a tenth of a percent of the contents of the greatest libraries of our time. The trick is to know which books to read.
CARL SAGAN -
For small creatures such as we the vastness is bearable only through love.
CARL SAGAN -
The very act of understanding is a celebration of joining, merging, even if on a very modest scale, with the magnificence of the Cosmos.
CARL SAGAN -
If I finish a book a week, I will read only a few thousand books in my lifetime, about a tenth of a percent of the contents of the greatest libraries of our time. The trick is to know which books to read.
CARL SAGAN -
The universe is a pretty big place. If it’s just us, seems like an awful waste of space.
CARL SAGAN







