Sir Terence David John Pratchett (28 April 1948 – 12 March 2015) was an English author, humorist, and satirist, best known for his 41 comic fantasy novels set on the Discworld, and for the apocalyptic comedy novel Good Omens (1990) which he wrote with Neil Gaiman.
Always be wary of any helpful item that weighs less than its operating manual.
Aim above morality. Be not simply good, be good for something.