你的自我价值由你自己决定，不必依赖别人来告诉你你是谁。
Your self-worth is determined by you. You don't have to depend on someone telling you who you are.
Happiness is not something ready made. It comes from your own actions.
真相很少是纯粹的，也绝不简单。
The human being is a most curious creature. He thinks he has got one soul, and he has got dozens.
自由的视角对于理解发展至关重要，因为它将注意力引向使发展重要的目的，而不仅仅是过程中起突出作用的一些手段。