I haven't bookmarked any quotes at the moment.
We are not commanded (or forbidden) to love our mates, our children, our friends, our country because such affections come naturally to us and are good in themselves, although we may corrupt them. We are commanded to love our neighbor because our natural attitude toward the other is one of either indifference or hostility.
Progress is impossible without change, and those who cannot change their minds cannot change anything.
Women wish to be loved not because they are pretty, or good, or well bred, or graceful, or intelligent, but because they are themselves.
Bad people are less a problem than indifferent people.
Look at things... as they can be.