Science is the knowledge of consequences, and dependence of one fact upon another.

我们没有什么可失去的，这是一种非常自由的感觉。

"我对个体不感兴趣，而是对整体感兴趣。"

People with a clear sense of identity know who they are and what they stand for. They have a strong sense of self and are not easily swayed by others.