It's the pleasure of picking up the brush and seeing what happens.
“Nothing can be given or taken away; nothing has been added or subtracted; nothing increased or diminished. We stand on the same shore before the same mighty ocean. The ocean of love. There it is - in perpetuum. As much in a broken blossom, the sound of a waterfall, the swoop of a carrion bird as in the thunderous artillery of the prophet. We move with eyes shut and ears stopped; we smash walls where doors are waiting to open to the touch; we grope for ladders, forgetting that we have wings;
“Life has to be given a meaning because of the obvious fact that it has no meaning.”
After all, most writing is done away from the typewriter, away from the desk. I'd say it occurs in the quiet, silent moments, while you're walking or shaving or playing a game, or whatever, or even talking to someone you're not vitally interested in.