To resist the frigidity of old age one must combine the body the mind and the heart. And to keep these in parallel vigor one must exercise study and love.
You know it's ironic to me that Christians want to keep the Ten Commandments in our schools because Christianity has abrogated four of the Ten Commandments. For example the Sabbath day according to the Ten Commandments is Saturday not Sunday. And the reason is because God rested not because Jesus was resurrected.