According to Plotinus in his work On Providence-
We are like people ignorant of painting who complain that the colours are not beautiful everywhere in the picture: but the Artist has laid on the appropriate tint in every spot. Or we are censuring a drama because the persons are not all heroes but include a servant and a rustic and some scurrilous clown; yet take away the low characters and the power of the drama is gone; these are part and parcel of it…
