"Home is not a place, it's a feeling."

The most valuable resource we extract isn't in the ground; it's the talent and dedication of our people.

数学中的每一个问题都是学习新东西的机会。

Challenges are what make life interesting; overcoming them is what makes life meaningful.

The past is a shadow that follows us everywhere.

要给儿童提供一个使他们得到满足的环境，必须努力了解儿童的需要。

世界是如此不可预测。事情突然发生，出乎意料。我们想要感觉到我们能够控制自己的存在。在某些方面我们是，在某些方面我们不是。我们被偶然和巧合的力量所支配。