شاهنامه آخرش خوشه

Etymology
Literally means “the end of is the pleasant part”. Several etymological theories exist:
 * The end of Shahnameh is about Muslim invasion of Persia, death of and, and collapse of the ; so it is a sarcastic idiom. The end of the story of , a major story of the work, is tragic, too.
 * According to, it is not sarcastic, and it refers to the work's “core story”, that is, the war between Iran and , and the eventual Iranian victory. However, this story is in the middle of Shahnameh.
 * Another explanation is that it does not refer to the stories of Shahnameh, but the legendary story about himself and the unexpected behaviour of Sultan  with him after he finished composing the work.
 * There is an old tradition and ceremony between some Persian-speakers, called Shahnameh-Khani, or  (recitation of Shahnameh). The idiom may refer to the rejoicing after full recitation of the poem.

Idiom

 * 1) don't judge early: things may unexpectedly end in a bad way; he who laughs last laughs best

Usage notes
Used when someone is insisting on doing an unwise deed.