A Book of Verses underneath the Bough, A Jug of Wine, a Loaf of Bread—and Thou Beside me singing in the Wilderness— Oh, Wilderness were Paradise enow!

解决复杂问题的关键是提出正确的因果问题。

事实总是友好的，一个人在任何领域获得的每一点证据，都会让他更接近真相。