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.
Ninety percent of most magic consists of knowing one extra fact.
Wisdom is one of the few things that looks bigger the further away it is.