译文：用镜子照自己可以看见形体容貌，用心性照自己，可以遇见祸福吉凶。赏析：以铜为镜可以正衣冠，以心为镜可以知吉凶。我们要努力提高自己的文化修养，砥砺自己的品格，与人为善，人生就会少很多祸患和不祥。

科学不是男孩的游戏，也不是女孩的游戏。它是每个人的游戏。它关乎我们现在在哪里以及我们将去向何方。

The heart of the educator must be a living flame, a fire that can ignite the souls of the young.

You can't go through life with a catcher's mitt on both hands. You need to be able to throw something back.

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