C. J. Dennis
GOOD NIGHT And so, Good Night. I'm rather tired.
I hardly thought I'd be required
To draw a lot of pictures, too,
When I arranged to write for you.
I found it hard, but did my best;
And now I need a little rest.
If you are pleased, why, that's all right.
I'm rather tired. And so
GOOD NIGHT!
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to do one's best - сделать всё от себя зависящее; приложить максимум усилий