Throughout the ages, humanity has had a lot to say about just what "life is...", sometimes profound, sometimes absurd and often amusing, here is a selection of "life is..." metaphors from Seneca to Sandburg!
"Life is a game of cards. The cards are shuffled and the hands are dealt. You must play your cards well"
"Life is a play. It's not its length, but its performance that counts."
"Life is a B-picture script."
"Life is something like a trumpet. If you don't put anything in, you won't get anything out."
"Life is a daring adventure, or nothing."
"A life is a simple letter in the alphabet. It can be meaningless. Or it can be part of a great meaning."
"Life is an onion. You peel it off one layer at a time, and sometimes you weep."