If we conceive all the changes in the physical world as reducible to the motion of atoms, motions generated by means of the fixed nuclear forces of those atoms, the whole of the world could thus be known by means of the natural sciences. ↗
My nutritionist has done a great job in changing my diet after we established I am allergic to things like gluten - I can't eat pizza, pasta and bread. I have lost some weight, but my movement is sharper and I feel great. ↗
There's a lot of bands that get to a certain level, and it just stops. They scrap it. Compare this to, say, The Rolling Stones or The Who, where they just continued on forever and are still playing, or they quit after 20 years. ↗