唯一真正的错误是我们从中一无所获的错误。
The only real mistake is the one from which we learn nothing.
指感情所专注的，正是我们这些人。
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.
【译文】冰与炭不能长久共存，寒与暑不会同时到来。