"A book is a conversation across time."

度过生活的唯一方法就是笑着度过。你要么笑，要么哭。我更喜欢笑。哭会让我头疼。

If you don't like something, change it. If you can't change it, change your attitude.

解释：想要变得刚强，必定先要保持柔和；想要变得强大，一定先要保持弱小。

世界悬于一线，那根线就是人的心灵。

"He who has a why to live can bear almost any how."

Psychology must be based on observable facts, not speculation.