Reflection on the past is the source of wisdom for the future.

Nature has placed mankind under the governance of two sovereign masters， pain and pleasure.

史记

The consistency of your endeavors (exercise， companionship， work) is more important than the quantity. Nothing beats small things done every day， which is way more important than what you do occasionally.

The past beats inside me like a second heart.

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.

You said I was you daughter, but I have never done it to make you happy.