系统产生需求的速度比满足需求的速度更快。
种树的最佳时间是20年前。第二好的时间就是现在。
争取妇女权利的斗争已经基本胜利。
Learn how to tie a bowline knot. Practice in the dark. With one hand. For the rest of your life you’ll use this knot more times than you would ever believe.