"Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another." - Carl Sagan, Cosmos

Read more of How Carl Sagan Worked in honor of what would’ve been his 79th birthday today.

"Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another." - Carl Sagan, Cosmos

Read more of How Carl Sagan Worked┬áin honor of what would’ve been his 79th birthday today.