Fantasia Of The Unconscious by D H Lawrence Chapter 10 Page 11

a dynamic sensual activity on the lower plane, the deeper sensual plane. We may be as pure as angels, and yet, being human, this will and must inevitably happen. When Mrs. Ruskin said that John Ruskin should have married his mother she spoke the truth. He was married to his mother. For in spite of all our intention, all our creed, all our purity, all our desire and all our will, once we arouse the dynamic relation in the upper, higher plane of love, we inevitably evoke a dynamic consciousness on the lower, deeper plane of sensual love. And then what?

Of course, parents can reply that their love, however intense, is pure, and has absolutely no sensual element. Maybe — and maybe not. But admit that it is so. It does not help. The intense excitement of the upper centers of sympathy willy-nilly arouses the lower centers.