There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
CARL SAGANEvery star may be a sun to someone.
More Carl Sagan Quotes
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I’ve always thought an agnostic is an atheist without the courage of his convictions.
CARL SAGAN -
Other things being equal, it is better to be smart than to be stupid.
CARL SAGAN -
Human beings have a demonstrated talent for self-deception when their emotions are stirred.
CARL SAGAN -
We are star stuff which has taken its destiny into its own hands.
CARL SAGAN -
Every 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.
CARL SAGAN -
Extraordinary claims require extraordinary evidence.
CARL SAGAN -
The notion that science and spirituality are somehow mutually exclusive does a disservice to both.
CARL SAGAN -
Be grateful everyday for the brief but magnificent opportunity that life provides.
CARL SAGAN -
The Earth is the only world known so far to harbor life.
CARL SAGAN -
Science is a way to not fool ourselves.
CARL SAGAN -
Books are like seeds. They can lie dormant for centuries and then flower in the most unpromising soil.
CARL SAGAN -
One of the great commandments of science is: Mistrust arguments from authority.
CARL SAGAN -
There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
CARL SAGAN -
Our ancestors lived out of doors. They were as familiar with the night sky as most of us are with our favorite television programs.
CARL SAGAN -
Better the hard truth, I say, than the comforting fantasy.
CARL SAGAN







