The more you know, the more you realize how little you know.

不是知识，而是学习的行为；不是占有，而是到达的过程，才能带来最大的快乐。

The great question which, in all ages, has disturbed mankind, and brought on them the greatest part of their mischiefs, has been, not whether there be power in the world, nor whence it came, but who should have it.

安全不仅仅是一种协议；它是我们必须每天建立的文化。

我们不是艺术家。我们是建筑师。