Small-scale farmers are the backbone of this industry; their knowledge is invaluable.

解析：真正正直的人外表反似委曲随和；真正聪明的人，不显露自己，从表面看，好像笨拙；真正有口才的人表面上好像嘴很笨。

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。

真相并不总是美丽的，美丽的话语也不一定是真相。

Each success only buys an admission ticket to a more difficult problem.

If everything was perfect, you would never learn and you would never grow.