数学的美在于它能够用一种既精确又普遍的语言来描述宇宙。
The beauty of mathematics lies in its ability to describe the universe in a language that is both precise and universal.
我不是神，但我也不是普通人。
I'm not a role model. I'm a father, a husband, a son, a friend. I'm trying to be the best I can be in those roles.
只要心意不放纵，就不会出现差错；只要用心不怠惰疏忽，就没有不能坚守的、随意放纵的志向。
主要的义务规则是那些要求或禁止某些行为的规则。
