In popular cultures, "Extraterrestrials" are life forms — especially intelligent life forms— that are of extraterrestrial origin (often also called "aliens").
Famous quotes containing the word life:
“O, reason not the need! our basest beggars
Are in the poorest thing superfluous.
Allow not nature more than nature needs,
Man’s life is cheap as beast’s.”
—William Shakespeare (1564–1616)