我们始终坚持以用户为中心，不断优化产品和服务。
质量比数量更重要。一个本垒打远胜于两个二垒打。
The truth is, the science of Nature has been already too long made only a work of the brain and the fancy: It is now high time that it should return to the plainness and soundness of observations on material and obvious things.