爱不是安慰,它是光明。
真正的成熟始于我们接受自己永远无法停止成长。
抽象的目的不是模糊,而是创建一个新的语义层次,在这个层次上可以绝对精确。
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.
Innovation and pragmatism must go hand in hand.