唱歌不在于完美，而在于情感和联系。

Give the pupils something to do, not something to learn; and the doing is of such a nature as to demand thinking; learning naturally results.

我的过去不能定义我，它使我更完善。

穷人往往缺乏做出正确选择所需的信息，而即使他们拥有这些信息，也常常不信任它。