The concept of consciousness adds nothing to the explanation of behavior.

过去永远在那里，但它不是唯一存在的东西。

我不想坠入爱河，我想坠入成功。

A law of nature， lex naturalis， is a precept or general rule found out by reason， by which a man is forbidden to do that which is destructive of his life or takes away the means of preserving the same.