The real challenge is to make something complex appear simple.
解释:帮助困难的人毫不倦怠,追求善行从不满足。
I had ambition not only to go farther than any man had been before, but as far as it was possible for a man to go.
四海之内和平安定,这样的幸福只是随缘而得,一生牵挂烦恼的劳苦,总是为好事。