每一天都是新的机会。你可以建立在昨天的成功之上，或者把失败抛在脑后重新开始。
Every day is a new opportunity. You can build on yesterday's success or put its failures behind and start over again.
The pursuit of mathematical knowledge is a never-ending adventure.
"Language is a tool, and like any tool, it can be used for good or for ill."
国际化不是选择，而是必然，我们要有全球视野。
"I write for kids because I was a kid who needed books."
释义：圣人之所以成为圣人，关键在于内心纯粹地符合天理，而不在于才学和能力的大小。所以即使是平凡的人，只要愿意学习，使自己的内心纯粹地符合天理，那么也可以成为圣人。