2 Corinthians 8:12 For if there is first a willing mind, it is accepted according to what one has, and not according to what he does not have.
When you have a job to do, how do you go about it? What sort of attitude do you have during that work?
When you want to give something back to God, how do you go about giving it back? What sort of attitude do you have during that act?
If you want to be able to please someone you should do your best to please them and not just enough to get through.
Do your best and be your best!