Alan Turing

A man provided with paper, pencil, and rubber, and subject to strict discipline, is in effect a universal machine.

The idea behind digital computers may be explained by saying that these machines are intended to carry out any operations which could be done by a human computer.

Machines take me by surprise with great frequency.

Codes are a puzzle. A game, just like any other game.

A computer would deserve to be called intelligent if it could deceive a human into believing that it was human.