From which 1941 detective film starring Humphrey Bogart did we get the expression, "the stuff that dreams are made of"?

Bogart plays San Francisco P.I. Sam Spade, who is on the hunt for a priceless statuette. The famous line — suggested by the actor himself — paraphrases Shakespeare's "The Tempest": "We are such stuff as dreams are made on/ And our little life is rounded with a sleep."

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