快乐激发玩耍的冲动，兴趣激发探索的冲动，满足激发品味和整合的冲动，而爱在安全、亲密的关系中激发这些冲动的循环往复。

Everyone can be taught to sculpt: Michelangelo would have had to be taught not to. So it is with great programmers.

心理过程进化是为了解决实际问题。

Every story is a mirror that reflects not just the author, but the reader as well.

林业的领导力意味着为更美好的未来做出艰难的决定。