It is always good to have a problem that you cannot solve. It means you have something to work on.
有一个你无法解决的问题总是好的。这意味着你有事情要做。
这就好像口渴了才挖井,人死了才找医生。
不要等待完美的时刻,抓住这一刻并让它变得完美。
Change your thoughts and you change your world.