The challenge of our time is to build an economy that works for everyone, not just the privileged few.

观察天地万物的自然景象，学习圣贤克己养性的工夫。行动上就是身体力行，奋斗不止，而最终的目的就是存诚自然。

数学的美只对那些更有耐心的追随者展示。