求仁得仁　

◎ 求仁得仁 qiúrén-dérén

[try to find humanity and finally get if;want sth. and succeed in getting just that] 语本《论语·述而》:“求仁而得仁,又何怨?”求仁德就得到仁德。喻指如愿以偿

君所谓求仁得仁,亦复何怨。——清· 纪昀《阅微草堂笔记》