S. Baring-Gould, Curious Myths of the Middle Ages
“ At the foot of Mount Olympus bubbles up a spring which changes its flavor hour by hour, night and day, and the spring is scarcely three days’ journey from Paradise, out of which Adam was driven. If any one has tasted thrice of the fountain, from that day he will feel no fatigue, but will, as long as he lives, be as a man of thirty years. ”
