"When you are young, you think you can leave and never look back. But you always do."
年轻时你以为可以离开永不回头，但你总会回望。
Man is neither wholly good nor wholly evil, but a mixture of both.
The Lisp language is designed to be extensible, and it is easy to add new features to it.
认为仅仅因为理解了行为改变就会发生，这是领导力发展中最大的误区之一。
所有商品的交换价值随着生产难度的增加而上升。
Never a failure, always a lesson.
过去越黑暗，未来越光明。