The architect must be a prophet... a prophet in the true sense of the term... if he can't see at least ten years ahead don't call him an architect.
The best investments are often the ones that are the most unpopular.
未来不是我们进入的东西。未来是我们创造的东西。
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.