Sir Terence David John Pratchett (28 April 1948 – 12 March 2015) was an English author, humorist, and satirist, best known for the Discworld series of 41 comic fantasy novels published between 1983 and 2015, and for the apocalyptic comedy novel Good Omens (1990), which he co-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.