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.

一个好老师必须能够设身处地为那些觉得学习困难的人着想。

力量在于平衡：我们是我们的伤害，正如我们是我们的成功。

技术发展越快，我们就越需要投资于人类智慧。