Most of us take life for granted. We know that one day we must die, but usually we picture that day as far as the future. When we are in buoyant health, death is all but unimaginable. We seldom think of it. We go about our petty tasks, hardly aware of our listless attitude to ward life until we loss it, of not being conscious of health until we are ill. I have often thought it would be a blessing if each human being stricken blind and deaf for few days at sometime during his early adult life. Darkness would make him more appreciative of sight; silence would teach him the joys of sound. 'Buoyant health' means-