快乐是最高的善，我们追求快乐，避免痛苦。

我们的教学方法只有一个，就是必须维持孩子们的高度兴趣和强烈持续的注意力。

Technology will drive the next era of energy, and we must embrace it.

我们感知世界的方式是由我们的期望塑造的，通常，我们看到的就是我们期望看到的。

For as long as I can remember, Mom has been a middle-aged woman, but no one told me she used to be a young girl.

The books we read are as important as the friends we keep.

数学的进步归功于那些不是被应用的欲望驱动，而是被发现的喜悦驱动的人。

怀疑只能由行动来回答。