Every day we hear and see things and think that we can do better - but then when we try it may not be as easy as first thought.
One method of improving one’s skills is to directly copy someone else’s work - not to sell - just to learn. By putting your feet in the shoes of someone else, you can observe some of the challenges and discoveries that the master may have faced when creating their work in the first place.
You will learn more than what the creator had, as you will be working with your own ideas, as well as your own tools, and may also have more variety in which to express than the creator was able to then.
The linked article goes over one man’s experience doing such things. It’s definitely not limited to written works, and may be a good exercise for when you have a creative block.