80. Those who hold forth about spiritual realities without having tasted and experienced them are like a man traversing an empty and arid plain at high noon on a summer's day: in his great and burning thirst he imagines that there is a cool spring close at hand, full of sweet clear water, and that there is nothing to prevent him from drinking it to his heart's content. Or they are like a man who, without having tasted a drop of honey, tries to explain to others what its sweetness is like.