不是有没有时间的问题，而是愿不愿意挤出时间的问题。

思维在于设想、实现结构特征和结构要求。

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 only way to find true happiness is to risk being completely cut open.

I pray whoever reads this will be successful， keep fighting for success， the rich stay rich by spending like the poor and investing why the poor stay poor be spending like the rich yet not investing， Roar！！ Invest， earn and be successful.