There are no forbidden questions in science, no matters too sensitive or delicate to be probed, no sacred truths.
CARL SAGANFor me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.
More Carl Sagan Quotes
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Nothing disturbs me more than the glorification of stupidity.
CARL SAGAN -
Arguments from authority carry little weight, authorities have made mistakes in the past. They will do so again in the future. Perhaps a better way to say it is that in science there are no authorities; at most, there are experts.
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We are like butterflies who flutter for a day and think it is forever.
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We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.
CARL SAGAN -
We are a way for the cosmos to know itself.
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The universe is a pretty big place. If it’s just us, seems like an awful waste of space.
CARL SAGAN -
One of the greatest gifts adults can give – to their offspring and to their society – is to read to children.
CARL SAGAN -
A book is made from a tree. It is an assemblage of flat, flexible parts (still called “leaves”) imprinted with dark pigmented squiggles.
CARL SAGAN -
We are all stardust.
CARL SAGAN -
There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
CARL SAGAN -
We live on a mote of dust suspended in a sunbeam.
CARL SAGAN -
One glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years. To read is to voyage through time.
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Don’t judge everyone else by your own limited experience.
CARL SAGAN -
The universe is not required to be in perfect harmony with human ambition.
CARL SAGAN -
Except in pure mathematics, nothing is known for certain (although much is certainly false).
CARL SAGAN







