“Did you know? “1. Respect the privacy of others, and 2. Think before you type.” first appred in June 1993[1] sudo source code. This is called sudo lecture. Later in 2004, added “With great power comes great responsibility” – a quote from Stan Lee / Uncle Ben quote[2].
[1] https://www.sudo.ws/repos/sudo/rev/c101e9572d7f
[2] https://www.sudo.ws/repos/sudo/rev/ebd5a76ccd7e”

Source:nixCraft