My heart is bursting with love's pain.

我想揭示大自然的秘密，用来造福人类。我认为，在我们的短暂一生中，最好的贡献莫过于此了。

文学的真正价值在于其揭示人类内心生活的能力。

Old soldiers never die. They just fade away.

Take responsibility for your life. Know that it is you who will get you where you want to go, no one else.

经济理论提供工具，但现实世界的测试会完善它们。