You don’t have to pee on an electric fence to learn not to do it.
你不必亲自去尿电网,才能学会不这么做。
高尚的名望声誉,在屈辱中彰明;宏大的道德雅量,在隐中发扬。
If you can't fly then run, if you can't run then walk, if you can't walk then crawl, but whatever you do you have to keep moving forward.