Mathematics is a dialogue between the past and the present.
伤口是光进入你内心的地方。
贫家如果要仿效富家的穿衣吃饭及庞大的花费,那就一定会很快招致灭亡。 
A quota is just a number unless it’s enforced with conviction.
如果学习,不能够做到专心,这样就会变得杂乱无章。
Customer needs are our direction, and customer satisfaction is our goal.