Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
唯一真正的智慧在于知道你一无所知。
我不想仅仅以网球选手的身份被人所知。我想以好人的身份被人所知。
The teacher is not in school to impose certain ideas or to form certain habits in the child, but is there as a member of the community to select the influences which shall affect the child and to assist him in properly responding to those influences.
一个人首先是物质的东西，容易撕裂，不容易修补。
Nolite te bastardes carborundorum.