Upon being summoned to an 80th birthday party for himself:

While there's snow on the roof, it doesn't mean the fire has gone out in the furnace.


As quoted in: Physical activity and aging (Aspen Publishers, 1987), p. 276


While there's snow on the roof, it doesn't mean the fire has gone out in the furnace.

While there's snow on the roof, it doesn't mean the fire has gone out in the furnace.

While there's snow on the roof, it doesn't mean the fire has gone out in the furnace.

While there's snow on the roof, it doesn't mean the fire has gone out in the furnace.