Jang Yuan’s joke is legendary

(1)Chang Sambong, founder of tai chi
(2)continental scale
(3)I lived until I was 300 years old

(1)Where is this from
(2)That’s what I’m talking about
(3)Social Change in Imagination Age 150
(4)300-year-old position
(5)American people with 200 years of history
(6)the condition of not understanding