In popular cultures, "Extraterrestrials" are life forms — especially intelligent life forms— that are of extraterrestrial origin (often also called "aliens").
Famous quotes containing the words life and/or culture:
“There is no religion in which everyday life is not considered a prison; there is no philosophy or ideology that does not think that we live in alienation.”
—Eugène Ionesco (b. 1912)
“When a culture feels that its end has come, it sends for a priest.”
—Karl Kraus (1874–1936)