The best way to help people is not to do things for them, but to help them do things for themselves.

People of the same trade seldom meet together， even for merriment and diversion， but the conversation ends in a conspiracy against the public， or in some contrivance to raise prices.

在算法的世界里，优雅不是可选的。

提高就是要改变,而要达到完美就要不断改变。

数学中最重要的技能是提出正确问题的能力。