有时候最简单的歌曲最难写。
努力工作，无论你做多少，都只是成功方程式的一部分。
"The most profound discoveries often come from the simplest observations."
人生苦短，必须快乐。
We are all in the gutter, but some of us are looking at the stars.
老年人相信每一件事物；中年人猜疑每一件事物；青年人什么都懂。