Every seed planted today is an investment in tomorrow's food supply.

真正的强大是承认自己的弱点。

The Internet is a reflection of our society and that mirror is going to be reflecting what we see. If we do not like what we see in that mirror the problem is not to fix the mirror, we have to fix society.

心灵不是要填满的容器，而是要点燃的火焰。

数学的进步是通过它能解决的问题数量来衡量的。

最好的故事会为孩子的想象力留出成长的空间。