Therefore, according to Marquis, a new strategy should be adopted to develop the argument o abortion. In this case, the author starts by illustrating why killing an ordinary adult is morally wrong, and tries to apply same reasons to the case of abortion. Therefore, if similar reasons can be applied to the context of abortion, then decision of it being immoral will be made. The wrong aspect in killing relates to depriving the victim life which is inherently valuable. In this case, killing deprives