I think it's more of a loop. Principles guide practice, but practice may cause you to discover that your principles were mistaken of limited. Eg, the discovery

I think it's more of a loop. Principles guide practice, but practice may cause you to discover that your principles were mistaken of limited. Eg, the discovery of quantum effects. A more worked-through explanation of this can be found by reading up on "reflective equilibrium" https://en.m.wikipedia.org/wiki/Reflective_equilibrium https://en.m.wikipedia.org/wiki/Reflective_equilibrium