The Masters do what needs doing
and that's all they do.
Do what you have to do
without arrogance or pride.
Get the job done
and don't brag about it afterwards.
Do what you have to do,
not for your own benefit,
but because it needs to be done.
And don't do it the way
you think it should be done,
do it the way it needs to be done.
- http://beatrice.com/wordpress/tao-te-ching/
- The original free version - http://www.beatrice.com/TAO.pdf
Here's the same verse, I think: