怪物是真的，鬼魂也是真的。它们住在我们心里，有时还会赢。
Never forget what you are, for surely the world will not. Make it your strength. Then it can never be your weakness. Armor yourself in it, and it will never be used to hurt you.
史记
朗兰兹纲领是对我们理解数学基本本质的挑战。
The heart of the Waldorf method is that education is an art—it must speak to the child's experience. To educate the whole child, his heart and his will must be reached, as well as the mind.