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Who says this, and what does it mean?
"Tomorrow, and tomorrow, and tomorrow,
Creeps in this petty (slow) pace from day to day
... Out, out, brief candle!
Life’s but a walking shadow, a poor player
That struts and frets his hour upon the stage
And then is heard no more. It is a tale
Told by an idiot, full of sound and fury,
Signifying nothing."
Macbeth says this after his wife dies. He feels that life is meaningless.