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，尽我所能做到最好，我打算一直这样做下去，直到生命的尽头。

-- Abraham Lincoln 亚伯拉罕·林肯