A purpose of human life, no matter who is controlling it, is to love whoever is around to be loved.

The value and utility of any experiment are determined by the fitness of the material to the purpose for which it is used.

富贵时不轻视别人，贫穷时不改变德行。无论富贵贫穷、地位尊卑，只要有坦荡的胸怀、助人的美德， 就能成就璀璨的人生。