This idea frequently occurred to Liu, though he had no idea this would become his mission in life. After WWII Liu was assigned to Beijing University, which returned to Beijing. Although Communist power was on the rise, and Beijing was the scene of endless student demonstrations, Liu looks back fondly on that rare opportunity to pursue the student life.
抗戰勝利後他被分發到北大，雖然當時中共勢力已逐漸壯大，職業學生很多，北京城學潮不斷，劉紹唐仍然深深懷念那段在他一生中難得安定的求學生涯。