我手中曾握有许多东西，但都失去了；但无论我把什么放在上帝的手中，我仍然拥有它。
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.
科学不是形式逻辑；它和其他创造性艺术一样，需要思想的自由发挥。
当每个人都试图同时出售时，流动性就消失了。
要幸福，首先必须爱自己。