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.
坚持志向就像心痛一样,心思全在痛处,哪有时间说闲话、管闲事。
Small-scale farmers are the backbone of global aquaculture—they deserve our support.
The only way to know if something is art is to see if it changes the way you think.