one may as well hang for a sheep as a lamb

Alternative forms

 * Numerous variants, generally following this pattern: one may/might as well hang/be hanged/be hung for a sheep as [for] a lamb.

Etymology
Referring to hanging as a former means of execution for one who had stolen an animal.

Proverb

 * 1) If one is going to commit a sin, it may as well be a major one as a minor one.

Translations

 * Chinese:
 * Mandarin:
 * Finnish: joka leikkiin ryhtyy, se leikin kestäköön
 * Japanese: 毒を喰らわば皿まで
 * Polish: lepiej iść na całość
 * Russian: