Even his summers were filled lecturing at the Chinese University of Hong Kong and giving lectures to elementary and high school art teachers. He felt that only by teaching all the time could he make any progress.
授課之餘還為中、小學美術老師舉行短期的講習班。「我既然有心回國教學，就要充分利用時間，毫無保留地傾囊相授，這樣才能把現代版畫推廣開來。」