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:
“Some things in life are bad
They can really make you mad
Other things just make you swear and curse
When you’re chewing on life’s gristle
Don’t grumble, give a whistle
And this’ll help turn things out for the best ...
And ... always look on the bright side of life.”
—Monty Python’s Flying Circus. Mr. Frisbee III (Eric Idle)