In conclusion: 1  Consider water from any source as contaminated with disease causing organisms. 2  By far the best way to treat water is by boiling it. 3  You only have to bring the water to a boil.  Donât waste fuel; there is no need to boil water for 10-minutes, 5-minutes, or even 1-minute.
Razor (philosophy) In philosophy, a razor is a principle or rule of thumb that allows one to eliminate (shave off) unlikely explanations for a phenomenon. Razors include: Occam's razor: When faced with competing hypotheses, select the one that makes the fewest assumptions. Do not multiply entities without necessity.
Philosophy is the study of the general and fundamental nature of reality, existence, knowledge, values, reason, mind, and language.The Ancient Greek word ÏÎ¹Î»Î¿ÏÎ¿ÏÎ¯Î± (philosophia) was probably coined by Pythagoras and literally means love of wisdom or friend of wisdom.pistemology is concerned with the nature and scope of knowledge, such as the relationships between truth, belief, perception and theories of justification. Skepticism is the position which questions the possibility of completely justifying any truth.