I have...a terrible need...shall I say the word?...of religion. Then I go out at night and paint the stars. — Carl Sagan

For a long time the human instinct to understand was thwarted by facile religious explanations.

If you wish to make an apple pie from scratch, you must first invent the universe.

If we long for our planet to be important, there is something we can do about it. We make our world significant by the courage of our questions and by the depth of our answers.