"We are all in the gutter, but some of us are looking at the stars."
Efficiency without ethics is a path to failure.
表示论提供了表达许多数论现象的语言。
I'm not afraid to speak my mind.
婚姻好比鸟笼，外面的鸟想进 进不去；里面的鸟儿想出出不来。