Earlier emigrants sought to build a new world for themselves overseas precisely in order to return home crowned with success. If they died in a foreign land before they could do so, their wishes were entrusted to a descendant, friend or relative to fulfill.
到海外打天下，為的是要衣錦還鄉，如果來不及回家，不幸在異鄉故去，遺願便只能托子孫、親友完成。