最终，我们记住的不是敌人的话语，而是朋友的沉默。
In the end, we will remember not the words of our enemies, but the silence of our friends.
I have held many things in my hands, and I have lost them all; but whatever I have placed in God's hands, that I still possess.
安全必须始终优先于生产目标。
真理如同金子，不是靠它的增长，而是靠洗去一切不是金子的东西来获得。