"It is true that man's fear of competition plays a great role in this, which is dissimulated through social ethics arguments, based mostly on religious biases and habit. But by far most influential is the unconscious fear of having one day to renounce, out of love or necessity, the authority and arrogance of his sex, which has been embedded in man since prehistorical times—and I concede that abdicating power is always a difficult and painful thing."