Yes can lead to more.
More can lead to over commitment.
Over commitment can lead to accomplishing less.
"Devoting a little of yourself to everything means committing a great deal of yourself to nothing." -Andy Stanley
No can lead to less.
Less can lead to focus.
Focus can lead to getting more accomplished.
"Busy is a choice. In fact, it's the easy choice." -Tony Crabbe
What's the most important contribution you can make to the world?
Commit to that!