it ain't over 'til the fat lady sings

Etymology
First appeared in 1976 in a article dated March 10, 1976. Popularized by sports coach in 1978. Generally understood to be in reference to opera sopranos, who were typically heavyset.

Proverb

 * 1) There are more developments yet to come; one should not presume to know the outcome of an event which is still in progress.

Translations

 * Chinese:
 * Mandarin:
 * Finnish: kaikki on vielä mahdollista
 * German: Man soll den Tag nicht vor dem Abend loben., Noch ist nicht aller Tage Abend.
 * Hungarian: várjuk ki a végét, még semmi sem dőlt el,
 * Korean: 그 살찐 아가씨가 노래할 끝난게 아닙니다
 * Polish: dopóki piłka w grze, wszystko jest możliwe
 * Russian:
 * Scottish Gaelic: chan eil am bonnach beag bruich fhathast
 * Spanish: hasta el rabo, todo es toro