learning must never cease

'Honorable persons say that learning must never cease. Blue comes from the indigo plant but is bluer than the plant itself; ice comes from water but is colder than water itself.'

'Hsun Tzu (born ca. 312 B.C.E), from Encouraging Learning. As quoted in Chinese Religion: An Anthology of Sources, edited by Deborah Sommer, 1995. Hmmmm. To be pondered.