Lisp is worth learning for the profound enlightenment experience you will have when you finally get it; that experience will make you a better programmer for the rest of your days, even if you never actually use Lisp itself a lot.

The true measure of success is not just profit, but the positive impact we leave behind.

Laws that have not their basis in nature are useless.

在生活的洪流中，没有人是毫无烦恼的。

The best books are those that make you see the world anew.

Your time is limited, don't waste it living someone else's life. Don't be trapped by dogma, which is living with the results of other people's thinking. Don't let the noise of others' opinions drown out your own inner voice. And most important, have the courage to follow your heart and intuition. They somehow already know what you truly want to become. Everything else is secondary.

Quality is not an act, it is a habit.