The most beautiful as well as the most ugly inclinations of man are not part of a fixed biologically given nature, but result from the social process which creates man.

Success is the sum of small efforts, repeated day in and day out.

I'm a firm believer in karma. You get what you give, whether it's bad or good.

法律义务不仅仅是道德义务加上制裁。

解释：发出的言辞美好，得到的回应就美好；发出的言辞丑恶，得到的回应就丑恶。