真理的概念在任何足够强大以包含算术的形式系统中都是不可定义的。
If you want to fly, you have to give up the things that weigh you down.
记忆是一根脆弱的线,将我们与失去的东西连接起来。
伟大的事情从来不会来自舒适区。
"If you don't change, you become extinct."