你必须成为你希望在世界上看到的变化。
You must be the change you wish to see in the world.
我们必须始终努力使技术对每个人都是可及的。
Writing is a way of fighting against oblivion, against death.
真相很少是纯粹的，也从不简单。
The power of suggestion is immense in shaping human behavior, often without the individual being aware of the influence.
The anarchic nature of the international system means that states must rely on self-help to ensure their survival.