化学是连接微观世界和我们日常所见现实的桥梁。

It is not shame for a man to learn that which he knows not，whatever his age.

"I play each point like my life depends on it."

Children have real understanding only of that which they invent themselves, and each time that we try to teach them something too quickly, we keep them from reinventing it themselves.

自我不是一成不变的东西，而是通过选择行为不断形成的东西。