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.
A philosopher, in the more narrow and common usage, is any intellectual who has made contributions in one or more current fields of philosophy, such as aesthetics, ethics, epistemology, logic, metaphysics, social theory, and political philosophy.n the classical sense, a philosopher is someone who lives according to a way of life, whose focus is upon resolving existential questions about the human condition, and not someone who discourses upon theories or comments upon authors.