Rollo May (1909-1994) was an American psychologist. There are 3 quotes listed below.
2. "Artists are generally soft-spoken persons who are concerned with their innervisions and images. But that is precisely what makes them feared by any coercive society. Forever unsatisfied with the mundane, the apathetic, the conventional, they always push on to newer worlds." (The Courage to Create, 1975)
3. "Poets often have a conscious awareness that they are struggling with the daimonic, and that the issue is their working something through from the depths which push the self to a new plane." (Love and Will, 1969)