Psychology must be based on facts, not hypotheses.

Innovation in the gas sector must balance immediate needs with long-term sustainability goals.

A fisherman’s wisdom is as valuable as any scientist’s data.

I like everything that has no style: dictionaries, photographs, nature, myself and my paintings.

The essence of mathematics lies in its freedom.

司马牛问君子。孔子说：“君子不忧不惧。”问：“不忧不惧，就能叫做君子吗？”孔子说：“问心无愧，何来忧惧？”

【释义】没有家里的亲人或内部之人牵引，外部的坏人不会主动找上门来。