The past is a shadow that follows us into the future.

A majority of life's errors are caused by forgetting what one is really trying to do.

科学的目标是寻求对复杂事实的最简单解释。

每个人都有自己的故事，但并不是每个人都有机会讲述它。

对公共事务漠不关心的代价是被恶人统治。