数学的艺术在于发现包含所有普遍性萌芽的特殊案例。
每个孩子都应该在他们读的故事中看到自己。
The fundamental 'formula' of Gestalt theory might be expressed in this way: There are wholes, the behavior of which is not determined by that of their individual elements, but where the part-processes are themselves determined by the intrinsic nature of the whole.