I do my part. The rest doesn't trouble me.

The source

"I do my part. The rest doesn't trouble me." Marcus Aurelius said it in Meditations 6.22. Translated by George Long, 1862.

"I do my duty: other things trouble me not"

George Long, 1862, Meditations 6.22.

Who said it

Marcus Aurelius (121–180 AD). Roman emperor who wrote private notes to himself on a military campaign. We know them as the Meditations.

Questions

Who said "I do my part. The rest doesn't trouble me."?

Marcus Aurelius (121–180 AD). Source: Meditations 6.22.

What is the original wording?

I do my duty: other things trouble me not (George Long, 1862). Translated by George Long, 1862.