Indeed, the best way to think of willpower is not as some shapeless behavioral trait but as a sort of psychic muscle, one that can atrophy or grow stronger depending on how it's used.
It would be a bitter cosmic joke if we destroy ourselves due to atrophy of the imagination.
If you only exercise your soloist muscles, the other muscles quickly atrophy.
By the time I sat down to write 'Family Pictures,' I hadn't written anything in almost two years, and writing, I have discovered, is a muscle: if it isn't exercised, it will atrophy.
The three great problems of this century; the degradation of man in the proletariat, the subjection of women through hunger, the atrophy of the child by darkness.
If it keeps up, man will atrophy all his limbs but the push-button finger.
So many older people, they just sit around all day long and they don't get any exercise. Their muscles atrophy, and they lose their strength, their energy and vitality by inactivity.
Music begins to atrophy when it departs too far from the dance... poetry begins to atrophy when it gets too far from music.
Creative writing and shooting are muscles that atrophy. But when you work them, you become a self-generator who can branch out.
I regarded finding I had a form of Alzheimer's as an insult and decided to do my best to marshal any kind of forces I could against this wretched disease. I have posterior cortical atrophy or PCA. They say, rather ingenuously, that if you have Alzheimer's it's the best form of Alzheimer's to have.