读书学习的人要像闺中少女一样小心谨慎对待别人。做官之后如同过了门的媳妇，要使百姓能各有所养。年老辞官后如同慈祥的老太婆，要担负起教育后人的责任。

I have learned to seek my happiness by limiting my desires， rather than in attempting to satisfy them.

The essence of mathematics lies in its power to reveal patterns and symmetries.

Collaboration beats competition when it comes to long-term progress.

"Every child deserves a bookshelf full of stories that reflect their own experiences and open windows to new worlds."

The United States, in their expansive capacity, are capable of containing within their limits the whole population of the earth.