In popular cultures, "Extraterrestrials" are life forms — especially intelligent life forms— that are of extraterrestrial origin (often also called "aliens").
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“The sentiment of virtue is a reverence and delight in the presence of certain divine laws. It perceives that this homely game of life we play, covers, under what seem foolish details, principles that astonish.”
—Ralph Waldo Emerson (1803–1882)