Actions are right in proportion as they tend to promote happiness； wrong as they tend to produce the reverse of happiness.

成功不是偶然的，它是努力、坚持、学习和牺牲的结果。

I don’t let success get to my head.

"I don't need to be human to know what it means to care."

解释：君子不因为天色昏暗而毁弃自己的行为举止。