If you rely on Experience only, you will be restricted to your limited knowledge.
Soon enough you will hot a wall and no progress will happen.

Rely heavily on initation and you have miss the practical knowledge.
No doubt neural connections will be made but theoritical and practical knowledge are differenr things.
Both these are stored in different parts of brain.
Neural connections will develop in one part but other will lack.
In the moment on need, you will start to struggle.

Lastly, Reflection.
This word is meaningless without either of theoritical or practical knowledge.