a penny saved is a penny earned

Etymology
First use appears c. 1804. See cite below. Commonly misattributed to, who actually wrote "a penny saved is two pence clear."

Translations

 * Chinese:
 * Mandarin:, 积水成河
 * Finnish: säästetty markka on tienattu markka
 * Jamaican Creole: every mikkle mek a mukkle