If you wish to make an apple pie from scratch, you must first invent the universe.
—Carl Sagan in Cosmos
Human beings have a demonstrated talent for self-deception when their emotions are stirred.
—Carl Sagan in Cosmos
We are like butterflies who flutter for a day and think it's forever.
—Carl Sagan in Cosmos
Imagination will often carry us to worlds that never were. But without it we go nowhere.
—Carl Sagan in Cosmos
If we have no peace, it is because we have forgotten that we belong to each other.