据说人无完人。又据说磨练出完美。你们对下词好吗？

You can't go back and change the beginning, but you can start where you are and change the ending.

We don't inherit the earth from our ancestors; we borrow it from our children.

我们从海洋中收获的最宝贵资源是知识。

It is not unlikely, but that there may be yet invented several other helps for the eye, as much exceeding those already found, as those do the bare eye.