Quotes by Carl Sagan

Extraordinary claims require extraordinary evidence

#Claims, #Evidence, #Logic

Absence of evidence is not evidence of absence.

#Absence, #Knowledge, #Logic

For small creatures such as we the vastness is bearable only through love.

#Carl Sagan

For me, it is far better to grasp the Universe as it really is than...

#Carl Sagan

A celibate clergy is an especially good idea, because it tends to suppress any hereditary...

#Carl Sagan

When you make the finding yourself - even if you're the last person on Earth...

#Carl Sagan

We've arranged a civilization in which most crucial elements profoundly depend on science and technology.

#Carl Sagan

We live in a society exquisitely dependent on science and technology, in which hardly anyone...

#Carl Sagan

We have also arranged things so that almost no one understands science and technology. This...

#Carl Sagan

The universe seems neither benign nor hostile, merely indifferent.

#Carl Sagan

The universe is not required to be in perfect harmony with human ambition.

#Carl Sagan

Somewhere, something incredible is waiting to be known.

#Carl Sagan