I do the very best I know how - the very best I can; and I mean to keep on doing so until the end.

I do the very best I know how - the very best I can; and I mean to keep on doing so until the end.

我尽我所知做到最好——尽我所能做到最好;我打算一直这样做到最后。

-- Abraham Lincoln 亚伯拉罕·林肯