To understand the present, you must first understand the past.

America has no permanent friends or enemies, only interests.

A good world needs knowledge， kindliness， and courage； it does not need a regretful hankering after the past or a fettering of the free intelligence by the words uttered long ago by ignorant men.

摄像机不仅仅是一个工具，它是摄影师视觉的延伸。

现实并非发生在我们身上的事，而是我们如何处理那些发生的事。