领导力就是今天做出艰难的决定，而这些决定将在未来得到感谢。

功能延迟绑定；数据结构诱导绑定。道德：在编程过程中后期构造数据。

Man’s main task in life is to give birth to himself, to become what he potentially is. The most important product of his effort is his own personality.

You have to believe in yourself when no one else does.