"Painting was his duty; he threw all his energy into his work," says Yang's wife, the nonagenarian Hsu Yu-yen, who clearly admires her husband's passion for creation.
「畫圖是伊的本分，伊的一生就是全精神在畫圖」，已經九十高齡的楊夫人許玉燕女士相當景仰丈夫創作的熱情與精神。