We are all ghosts of ourselves, haunting our own lives.

Virtue! a fig! 'tis in ourselves that we are thus or thus. Our bodies are our gardens, to the which our wills are gardeners.

"The soul is the sense of something in us that is eternal."

忧虑是一种积极的心理活动，可以开阔人的思路。如果能正确引导这一情绪，你就可以洞察任何形势下的负面风险，并采取行动规避这些风险。

发愤研究学问，常常忘记吃饭，一旦有所收获便又高兴地忘记了忧愁，连自己的渐趋衰老也没有感觉到。