MercuryAndy said:
Is it ethnicaly right to kill?
What if you kill one person to save many?
What if you kill many bad people to save one good person?
What if you kill many people to save someone important such as the president?
what if you have to kill yourself to save others?
I personally feel that the question "is this ethically right" adds more confusion than it helps me sorting things.
Each action, each situation is unique, and it deserves to be considered as such. Subsuming millions of (potential or factual) actions under the term "killing" may have its merits for making communication easier, it certainly is not a good starting point for making conclusions from this abstraction on a particular action.
Your questions are interesting, yet they seem to point a general problem of ethical rules. By labeling a certain situation or action with an abstract term (like "killing") we emphasize one particularity of it, and thereby signify countless of other particularities as (comparably) irrelevant or neglectible. E.g. another way of describing a particular action that someone describes as "killing" might be "saving someone´s life", "protecting the security of the society", "protecting oneself", "serving justice", "helping me to get some sleep" or countless others. In emphasizing the aspect of "killing" we have already applied certain priorities, which themselves are based on our ethical ideas. IOW, long before we judge a situation ethically, we have already determined the result by emphasizing certain aspects and neglecting others. I tend to think that this (mostly unconscious) selection of considerable aspects is telling more about our ethical ideas than the final decision whether a certain action is right/wrong, good/bad.
Questions like the ones you have asked demonstrate that in fact ethical questions deal with weighing up certain aspects of a situation, rather than with making generalized statements of the "[insert abstract term] is right/wrong" sort, in the way rules like the ten commandments would us believe.
I suggest a different approach: When having to decide whether to take a certain action or not, I ask myself: "Will this action - all things considered that I am currently capable of seeing -
really have the results I desire? Will it contribute to make the world the way I would like it to be?
With this approach, I personally realized that I have come across hardly any situation in which an action covered by the abstracted term "killing" matched those requirements.