统治者的首要职责是保护社会免受其他独立社会的暴力和侵略，只有通过军事力量才能实现这一职责。

The book is not an end in itself, it is a means of evocation.

凡是能够说的，都能够说清楚；对于不可说的东西我们必须保持沉默。

There is no such thing as work-life balance. Everything worth fighting for unbalances your life.

The core value of cloud computing is to make computing resources as accessible as utilities, lowering the barrier to innovation.

谁若不能独立，谁就谈不上自由。