Unless you do the work, you can’t expect to create anything of value. But why is it called work? It must be dificult at some point in time, either now or as you were struggling to improve.
To gain the most from your struggle, focus on what you can’t yet do. A piano player must practice the hardest parts of the piece, and focus on those. That’s where you’ll get the most bang for your buck.
The division between strength and weakness is deliberate practice.