(Sorry to reply in English, I am in the lab, I have no Chinese input method on my computer)
Then probably you should ask your father: if West is so good, why we don't accept western democracy, why the party always say China should go China's own unique way ? In fact,western society/science system is good indeed, we should learn it, but regarding culture, we should keep, actually, learn our own culture. That's why we promote Hanfu,just like either Korean or Japanese learn the western society/science system so well, but they still insist on their own culture. Science, Political system is the bone and structure, only culture is the flesh and soul which differentiate you from other race.