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.

If you can't understand why someone is doing something, look at the consequences of their actions, whatever they might be, and then infer the motivations from their consequences.

Forests are not just resources; they are our planet's lungs and our best defense against climate change.

我认为年龄是为成熟付出的高昂代价。