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 best way to predict the future is to create it.

Believe you can and you're halfway there.

采矿技术的创新将是该行业在下个世纪保持活力的关键。