We also have to remember when to stop, because some cultures can be debilitating and/or limiting. For example, people within a certain culture will always see it as superior, giving birth to discrimination and, in some cases, racism. Plus, a person raised with the idea that a certain set of beliefs are the best or most correct isn't likely to accept another's or more scientifically accurate ones.
In the conclusion I would say that we have to respect other cultures as much as we respect ours. We need to learn about cultures and act cultural, because I think that is what differs us from animals - our culture and society.
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