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.
-Martin Luther King
如果你不能飞，那就奔跑，如果不能奔跑，那就行走，如果不能行走，那就爬行，
但无论你做什么，都要保持前进的方向。
-马丁路德

很棒的一句话！补个推～