对人类来说,最可恨的事情是知道一切却无能为力。
The most hateful thing for a man is to have knowledge of everything but power over nothing.
The best leather tells a story—of craftsmanship, ethics, and time.
出自先秦《荀子·解蔽》。大凡是人,往往都有惑于枝节问题而看不清大局的毛病。说明人性的弱点:看问题不全面,往往惑于表面现象,结果“只见树木,不见森林”,“捡了芝麻,丢了西瓜”。