做人的气度要高旷但不可疏漏狂妄;心思要缜密但不可琐碎;趣味要淡但不可枯燥;操守要严明但不可激烈。
The most important political virtue is moderation, the ability to balance competing interests and values in a way that promotes the common good.
The beauty of mathematics is that it allows us to abstract away from the physical world and focus on the underlying principles.