The greatest question of our time is not communism versus individualism, not Europe versus America, not even the East versus the West; it is whether man can bear to live without God.

自守表示的研究是数学抽象深度的反映。

小人专门期望他人的恩惠，但受恩后就忘；君子则不轻易受人恩惠，若受恩于人，则必定想法图报。