# A man provided with paper, pencil, and rubber, and subject to strict discipline, is in… by Alan Turing
> "A man provided with paper, pencil, and rubber, and subject to strict discipline, is in effect a universal machine."
> **— Alan Turing**, *Intelligent Machinery (1948)*
Verification Status: Unverified — exact wording/source has not yet been independently confirmed against a primary source; source clue: Intelligent Machinery (1948).