Here is a wonderful passage about the value of practice and about the care of craft. Hermione to Harry in "The Wandmaker" chapter of Harry Potter and the Deathly Hallows

Oh yes, if you are any wizard at all you will be able to channel your magic through almost any instrument. The best results, however, must always come where there is the strongest affinity between wizard and wand. These connections are complex. An initial attraction, and then a mutual quest for experience, the wand learning from the wizard, the wizard from the wand.

Respect for one's tools is coupled with respect for one's bodily reactions to those tools and this coupling forms the basis not only for magic but also for a growing knowledge of the affordances offered by a given technology and its deployment. The gentle imperative of respect becomes a call to be attentive to interaction and feedback.

And so for day 240