Time is a slippery thing, lose hold of it once, and its string might sail out of your hands forever.
时光狡黠，稍一松手，它便永远地从你指缝中流逝了。
He who has a why to live can bear almost any how.
一个人知道自己为什么而活，就可以忍受任何一种生活。
If opportunity doesn't knock, build a door.
如果机遇不找过来，就自己造一门吧
来源：oschina
链接：https://my.oschina.net/u/4344838/blog/4731870