The salvation of the world is in man's suffering.
对较大收入征收较高比例的税收,等于对工作和节俭征收了一项税收;对人们因为工作更努力、储蓄更多而征收罚款。
The greatest reward in research is knowing that your work can save lives.
解析:告诫人们要珍惜所得。