爱
A sense of duty is just love of one's duty.
True happiness comes from love for oneself and others.
Love takes up where knowledge leaves off.
The things that we love tell us what we are.
The study of truth requires a considerable effort - which is why few are willing to undertake it out of love of knowledge - despite the fact that God has implanted a natural appetite for such knowledge in the minds of men.
The things that we love tell us what we are.
War is an ugly thing， but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war， is much worse.
