Man is always something more than what he knows about himself. He is not what he is simply once and for all, but is a process.
The secret of improved plant breeding, apart from scientific knowledge, is love.
清晰地看见就是以不同的方式看见。
不要陷入片段问题，而应该时刻展望整个伟大的问题，即使这个视野还不够清晰。
时间不会治愈伤口，而是让它们变得可以忍受。
The only real failure in life is not to be true to the best one knows.
身体劳累而不休息，就会疲困；精力使用过度而不止歇，就会衰竭。