Your work will be endless， but your time is finite. You cannot limit the work so you must limit your time. Hours are the only thing you can manage.

对于你所拥有的，要心存感激，这样你就会拥有更多。对于你所没有的，如果念念不忘，你永远都不会满足。

我不是圣人，我是罪人。