The laws that forbid the carrying of arms are laws of such a nature. They disarm only those who are neither inclined nor determined to commit crimes.... Such laws make things worse for the assaulted and better for the assailants; they serve rather to encourage than to prevent homicides, for an unarmed man may be attacked with greater confidence than an armed man.

The art of leather crafting is a dialogue between the past and the future.

未来的竞争不是产品的竞争，而是数据和计算的竞争。

The greatest theorems often arise from questioning the obvious.

传统与创新必须携手并进，才能创造持久的价值。

愚蠢的事物被重复得越多，它就越容易被误认为智慧。