物理学的美丽在于它能够用简单的原理解释宇宙的复杂性。

The Government of the United States is a definite Government, confined to specified objects. It is not like the state governments, whose powers are more general.

The past is never truly gone; it lives on in the stories we tell.

盈利和责任不是对立的；它们是一枚硬币的两面。