Ill-gotten goods never prosper.是什么意思？

Ill-gotten goods never prosper.

发横财，家不发。

goods

n. 商品，货物，动产，本领，合意的人；

例句
Free exchange of goods was advantageous to all.
商品自由交换惠泽八方。

never

adv. 从不，从来没有，一点也不，决不，<口>不会…吧，没有，不曾；

例句
The public never had faith in his ability to handle the job...
公众从来不相信他有能力胜任这一职位。

prosper

vi. 繁盛，成功；vt. 使…成功，使…昌盛；

例句
He may have to become more conformist if he is to prosper again...
要想再现辉煌，他可能得更多地依照习惯办事。