Every day confirms his belief of the inconsistency of all human characters, and of the little dependence that can be placed on the appearance of merit or sense.
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.
Knowledge and human power are synonymous.