要解决复杂的问题，我们必须首先理解产生这些问题的系统。

最大的悲剧不是死亡，而是遗忘母语。

The thought 'I am the body' is ignorance.

Dairy farming is both an art and a science—respect both.

The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.

心是脆弱的，但它也是我们最伟大力量的源泉。