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 more you praise and celebrate your life, the more there is in life to celebrate.

Done is better than perfect.

Dairy farming is both an art and a science—respect both.

译文：知道的闲事和结识的闲人越多，招惹的是非烦恼就越多。赏析：人要多做事，少说话，不去结交造谣生事，说三道四，品行极差的人。