No occurrences are so unfortunate that the shrewd cannot turn them to some advantage, nor so fortunate that the imprudent cannot turn them to their own disadvantage.

François VI, duc de La Rochefoucauld (1613-1680) French epigrammatist, memoirist, noble

Réflexions ou sentences et maximes morales [Maxims], # 59 (1665-1678) [tr Tancock (1959)]