I don’t want to seem adversarial as I appreciate the message, but I feel compelled to ask:
Is it the doing things with one’s hands that’s rewarding or is it rather doing the act of something your unfamiliar creating new neural pathways, thanks to our neuroplasticity?
If what we ultimately are is thought in and of itself, I believe it could just be applied, willful thought is more gratifying than doing what we already understand how to accomplish