You cannot hope to build a better world without improving the individuals. To that end, each of us must work for our own improvement and, at the same time, share a general responsibility for all humanity, our particular duty being to aid those to whom we think we can be most useful.

出自《论语·子罕》。年轻人是值得敬畏的啊，你怎么知道他之后不如当今的你呢？