After knowledge of the physical forces, their laws and their mutual relations, comes the question of their origin.
在了解物理力、它们的规律及相互关系之后,接下来是它们起源的问题。
Your most unhappy customers are your greatest source of learning.
监狱里的高墙实在是很有趣。刚入狱的时候,你痛恨周围的高墙;慢慢地,你习惯了生活在其中;最终你会发现自己不得不依靠它而生存。这就是体制化。