Quote:
Originally Posted by rocky_pang
Unless the textbook undergoes major revisions every year to significantly improve its content such that it makes sense to get new ones every time along with the workbooks (note that even if it satisfies this criterion, it will cause more distress since it seriously makes me doubt the content and worth of the textbooks that were previously published), otherwise it will just be a waste of money.
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knowledge - however "scientific" - is still based on "faith", that what we currently know is based on what we can perceive or have perceived, and what we know/can perceive/have perceived is "true", which may be overturned or modified/refined subsequently. in fact, many people omit that a lot of what we deem as "knowledge" or even "truth" is socially constructed. we can only judge the value of what we (deem to) know now without the benefit of hindsight, which is always 20/20.