The only way to keep improving is to keep pushing yourself.

只有向后看才能理解生活；但要生活好，则必须向前看。

篮球的发明并非偶然，而是为了满足需求而发展起来的。

译文：如何能得到千万间宽敞高大的房子，普遍地庇覆天下间贫寒的读书人，让他们开颜欢笑，房子在风雨中也不为所动，安稳得像是山一样?

"I'm not perfect, but I'm trying every day to concentrate on being better."

The reason that the invisible hand often seems invisible is that it is often not there.

So much to do, so little done, such things to be.

To safeguard national independence, we must strengthen national unity.