I wouldn't want to be ideological about it but I think of it as being the best way to approach this kind of playing. I don't think it works in other music, other kinds of playing.
No matter how many years you play, it's always something new and exciting. It's sports, you never know what may happen.
By recollecting the pleasures I have had formerly, I renew them, I enjoy them a second time, while I laugh at the remembrance of troubles now past, and which I no longer feel.