Hsiung says that when a German journalist once asked him how to account for qi as a physical phenomenon, he used an analogy with the love between a man and a woman: "Although love is hard to express, that doesn't mean it can't be expressed.
熊衛指出，曾經有位德國記者問他，氣在身體的現象該如何解釋？熊衛以男女感情之事打比方解釋說：「夫情也，難言也，非不可言也。