The ultimate tragedy is not the oppression and cruelty by the bad people but the silence over that by the good people.

"We are all in the gutter, but some of us are looking at the stars."

旋风不能奏出动听的音乐；心灵手巧的妇人未必能够主持好饮食家务；（只会）做文章的读书人不能够治理好国家。

成功的关键在于坚持和持续改进。