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:
“I heard a good one at Toulouse of a woman who had passed through the hands of some soldiers: “God be praised,” she said, “that at least once in my life I have had my fill without sin!””
—Michel de Montaigne (1533–1592)