“I'm frequently asked, "Do you believe there's extraterrestrial intelligence?" I give the standard arguments- there are a lot of places out there,… — Carl Sagan Copy Share Image
“On Earth, humankind can step onto another continent, and without a thought, destroy the kindred civilizations found there through warfare and disease.… — Liu Cixin Copy Share Image
“There's a strange contradiction revealed by the naivete and kindness demonstrated by humanity when faced with the universe: On Earth, humankind can… — Cixin Liu Copy Share Image
“I’m frequently asked, “Do you believe there’s extraterrestrial intelligence?” I give the standard arguments—there are a lot of places out there, the… — Carl Sagan Copy Share Image
