理解的改进有两个目的:首先,我们自己的知识增长;其次,使我们能够将知识传授给他人。
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.
不要害怕问愚蠢的问题。因为99%的情况下其他人也想问同样的问题,只是因为怕尴尬而羞于提问。
Mathematics teaches us to think logically and to approach problems systematically.