历史是当下投下的阴影。

写作的行为是一种勇气的行为。

The first prerequisite of a sound foreign policy is a clear understanding of one's own values.

I am only resolved to act in that manner, which will, in my own opinion, constitute my happiness, without reference to you, or to any person so wholly unconnected with me.

在科学发现中，合作是关键；没有人能独自完成。

"We are all detectives of our own lives, piecing together clues from the past."