真相很少是纯粹的，也从不简单。

Security in computing is not just about building walls, but about understanding the landscape of threats.

The soul is not a thing you can have. It is a way of being in the world.

领导力是赋予他人实现他们认为不可能的事情的能力。

The art of progress is to preserve order amid change and to preserve change amid order.

Human kindness has never weakened the stamina or softened the fiber of a free people. A nation does not have to be cruel to be tough.