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 (from Greek ÏÎ¹Î»Î¿ÏÎ¿ÏÎ¯Î±, philosophia, literally love of wisdom) is the study of general and fundamental problems concerning matters such as existence, knowledge, values, reason, mind, and language. The term was probably coined by Pythagoras (c. 570 â c. 495 BC).