The most sustainable building is the one that is already built.

作为一个作家，就是永远的外人，总是在观察，却从未真正属于。

爱之深，责之切。

When you can do the common things of life in an uncommon way, you will command the attention of the world.

解释：使用毒性大的药物治疗疾病时，病情十成中只能去掉六成就要停药，以免伤害正气。