The mind is a complex of processes, not a thing.
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.
你能创造的最有价值的东西就是错误——你无法从完美中学到任何东西。