We are punished by our sins not for them.
Those who are willing to give up freedom for security will eventually lose both.
推动的关键是使期望的行为更加突出、更容易和更有吸引力。
不幸而又值得期待的事情是，你的人生是不会有必修课程的，全部都是选修。
The only way to do great work is to love what you do.