农业不仅仅是一门生意;它是一种生活方式。
Consciousness is the cutting edge of the struggle for existence.
心理学必须是一门纯粹描述性的科学。
人心充满私欲,所以危险;道心符合天理,所以精妙。
To wear your heart on your sleeve isn't a very good plan; you should wear it inside, where it functions best.