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。