The phrase on the logo of the smiling man in Ghost in the Shell comes from

"Hamlet".

1. The words on the logo of the Smiling Man in Ghost in the Shell come from Act 3, Scene 1 of Hamlet. Hamlet expresses his contradictions and thoughts about life in his monologue. In Ghost in the Shell, this sentence is used as the catchphrase of the Smiley Man logo to express deep thinking and exploration of human existence and consciousness.

2. "Hamlet" is a famous play written by William Shakespeare and is considered to be one of the greatest works in the history of world literature. The play tells the story of Hamlet, a prince of Denmark who is told by his father's ghost that his father was murdered by his brother Claudius, so Hamlet decides to take revenge.