It may seem to be a long way from Blake's innocent talk of love and copulation to De Sade's need to inflict pain. And yet both are the outcome of a s… - Colin Wilson

The heart, oddly enough, seems to be the essential organ concerned. When we are in a hurry or doing something we dislike, we clench the heart, exactly like clenching a fist, and nothing can get in. When we are filled with a sense of multiplicity and excitement we somehow 'open' the heart and allow reality to flow in. But in that state we only need to entertain the shadow of some unpleasant thought for it to close again. And human beings are so naturally prone to mistrust that it is hard to maintain the openness for very long. Children on the other hand find it easy to slip into states of wonder and delight when the heart finally opens so wide that the whole world seems magical. the 'trick' of the peak experience lies in this ability to relax out of our usual defensive posture and to 'open the heart'.

This is a strange -- and rather alarming -- realisation. For it clearly implies that masturbation is one of our highest faculties that human beings have developed. Many animals masturbate -- but never without the presence of another animal, or some similar stimulus. A human being can masturbate in an empty room: a triumph of pure imagination.

The real issue is not whether two and two make four or whether two and two make five, but whether life advances by men who love words or men who love living.