君子容易事奉，但要想讨得他的喜欢则很难。以不正当的方式讨他喜欢，他是不会喜欢的；但他在用人上，却能做到量才使用。小人难以事奉，但要想博得他的欢心则很容易。如果以不正当的手段讨他喜欢，他是会喜欢的；但当他用人时，则会求全责备。

做企业要有耐心，不能急功近利。

The most profound technologies are those that disappear. They weave themselves into the fabric of everyday life until they are indistinguishable from it.

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.