文章必须对天下人有益处。
The study of the mind must be strictly empirical.
Success is not final, failure is not fatal: it is the courage to continue that counts.
It is time to abandon the superstition that natural science cannot be logically respectable until philosophers solve the problem of induction.
我只是个四岁的孩子,每天都在成长一些。
Building corporate culture is an important part of long-term strategy.