唯一能让双方都幸福的关系是没有感伤主义的位置，双方都不对对方的生活和自由提出任何要求的关系。
The only relationship that can make both partners happy is one in which sentimentality has no place and neither partner makes any claim on the life and freedom of the other.
一本书是一面镜子：如果傻瓜往里看，智者也无法从中看出什么。
我不是光明，我是黑暗。
We don't receive wisdom; we must discover it for ourselves after a journey that no one can take for us or spare us.
除非你相信对世界的知识以及由此产生的力量对人类具有内在价值，否则你不可能成为科学家。
Diversity in crops leads to resilience in farming.