There is a saying that man proposes, god disposes, which means man plan the things and the rest of the outcome lies in the luck.

有一句话说谋事在人，成事在天，意思是人们计划事情，剩下的结果依赖于运气。

youdao

You cannot control circumstances, my dear Sir; 'man proposes, and God disposes.'

环境是您无能为力的，我亲爱的先生，‘谋事在人，成事在天’。

youdao