It is eminently a weariable faculty, eminently delicate, and incapable of bearing fatigue; so that if we give it too many objects at a time to employ itself upon, or very grand ones for a long time together, it fails under the effort, becomes jaded, exactly as the limbs do by bodily fatigue, and incapable of answering any farther appeal till it has had rest.

The works of John Ruskin (ed. 1904)