你有梦想，你必须保护它。

The historian's first duty is to tell the truth as he sees it, regardless of whom it pleases or displeases.

历史学家必须兼具诗人和哲学家的特质。

出自先秦《荀子·劝学》。定居一定要选择适当的邻里，交游一定要接近贤士。说明要加强道德修养，就应该注意周围环境。