基督徒是完全自由的主人，不受任何人支配。基督徒是完全尽职的仆人，受所有人支配。
A Christian is a perfectly free lord of all, subject to none. A Christian is a perfectly dutiful servant of all, subject to all.
The best things in life are free.
The books that the world calls immoral are books that show the world its own shame.
你唯一的限制就是你相信的限制。
The development of algorithms is both an art and a science.