有怒气要尽力消化，有过错要仔细检讨。

I have learned to seek my happiness by limiting my desires， rather than in attempting to satisfy them.

The molecules that mediate pain are ancient, revealing how deeply rooted this sensation is in evolution.

——1963年6月25日在西德市政厅柏林墙前的演说

【释义】：在爱一个人时，也要看清对方的缺点；在憎恨一个人时，也要看到对方的优点。