如果你收养了一只饥饿可怜的狗，并且让它舒适顺利，它将不会咬你，这便是一个人与一只狗之间最主要的差别。

种一棵树最好的时间是20年前，第二好的时间是现在。

对抗各种错误的最强大武器是理性。

I was born with an enormous need for affection, and a terrible need to give it.

Every stone we extract tells a story of perseverance and precision.

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.

如果你不犯错，说明你解决的问题还不够难。那本身就是个大错误。