you can't make an omelette without breaking eggs

Etymology
1796 in English, from, (1742 and earlier), attributed to.

Proverb

 * 1) In order to achieve something, it is inevitable and necessary that some mistakes are made or some sacrifices must occur.
 * 2) * 1796, Walker's Hibernian Magazine:
 * It was remarked to him that he had caused the death of a great many persons. Yes, he replied, omlets are not made without breaking eggs.

Translations

 * Chinese:
 * Mandarin: 天下沒有白吃的午餐, 有得必有失; 有失才有得
 * Czech: když se kácí les, létají třísky
 * Danish: hvor der handles, der spildes
 * Dutch: waar gehakt wordt vallen spaanders
 * Finnish: munakasta ei voi tehdä rikkomatta munia
 * French:, on ne saurait faire d'omelette sans casser des œufs
 * German:
 * Greek: αν δεν βρέξεις κώλο, ψάρι δεν τρως
 * Hungarian: csak az nem hibázik, aki nem dolgozik, ahol fát vágnak, ott hullik a forgács, áldozat nélkül nincs győzelem
 * Italian: non si può fare una frittata senza rompere le uova
 * Japanese: 蒔かぬ種は生えぬ
 * Norwegian: det må knuses noen egg for å lage en omelett
 * Persian: املای نانوشته غلط ندارد
 * Polish: nie można mieć ciastka i zjeść ciastko,
 * Portuguese: não se pode fazer omelete sem quebrar os ovos
 * Russian:
 * Spanish: nada que valga la pena se logra sin crear conflictos, no se puede hacer una tortilla sin romper los huevos , quien quiera peces, que moje el culo