Carl Sagan

Ask courageous questions. Do not be satisfied with superficial answers.

Carl Sagan

Be grateful everyday for the brief but magnificent opportunity that life provides.

Carl Sagan

Better by far to embrace the hard truth than a reassuring fable. If we crave some cosmic purpose, then let us find ourselves a worthy goal.

Carl Sagan

Better the hard truth, I say, than the comforting fantasy.

Carl Sagan

Don’t judge everyone else by your own limited experience.

Carl Sagan

Even through your hardest days, remember we are all made of stardust.

Carl Sagan

We are like butterflies who flutter for a day and think it is forever.

Carl Sagan

We make our purpose.

Carl Sagan

A book is proof that humans are capable of working magic.

Carl Sagan

Absence of evidence is not evidence of absence.

Carl Sagan