Exodus 20:13

“Thou shalt not kill.] Not meaning any sort of creatures, for there are some to be killed for the food and nourishment of men, and others for their safety and preservation; but rational creatures, men, women, and children, any of the human species, of every age, sex, condition, or nation; no man has a right to take away his own life, or the life of another; by this law is forbidden suicide, or self-murder, parricide or murder of parents, homicide or the murder of man; yet killing of men in lawful war, or in defence of a man’s self, when his own life is in danger, or the execution of malefactors by the hands or order of the civil magistrate, and killing a man at unawares, without any design,…”

“The Hebrew name which is rendered in our King James Version as the ten commandments occurs in Exodus 34:28; Deuteronomy 4:13; Deuteronomy 10:4. It literally means “the Ten Words.” The Ten Commandments are also called the law, even the commandment Exodus 24:12, the words of the covenant Exodus 34:28, the tables of the covenant Deuteronomy 9:9, the covenant Deuteronomy 4:13, the two tables Deuteronomy 9:10, Deuteronomy 9:17, and, most frequently, the testimony (e. g. Exodus 16:34; Exodus 25:16), or the two tables of the testimony (e. g. Exodus 31:18). In the New Testament they are called simply the commandments (e. g. Matthew 19:17). The name decalogue is found first in Clement of Alexandria,…”

“Thou shalt not kill - Thou shalt not do any thing hurtful to the health, or life of thy own body, or any other's. This doth not forbid our own necessary defence, or the magistrates putting offenders to death; but it forbids all malice and hatred to any, for he that hateth his brother is a murderer, and all revenge arising therefrom; likewise anger and hurt said or done, or aimed to be done in a passion; of this our Saviour expounds this commandment, Mat 5:22. Exodus 20:14”

“20:13 murder: This is the correct rendering of the Hebrew word. There is another word that connotes mere killing. Taking human life is not prohibited, per se, but the intentional killing of another for personal reasons is prohibited. This principle tells us that God values our individual, physical lives. Jesus expanded on this command in Matt 5:21-26.”

“Exo 21:14, Exo 21:20, Exo 21:29; Gen. 4:8-23, Gen 9:5, Gen 9:6; Lev 24:21; Num. 35:16-34; Deu 5:17; Deu 19:11-13; Sa2 12:9, Sa2 12:10; Kg2 21:16; Ch2 24:22; Psa 10:8-11; Pro 1:11, Pro 1:18; Isa 26:21; Jer 26:15; Mat 5:21, Mat 5:22; Act 28:4; Rom 13:9; Gal 5:21; Ti1 1:9; Jam 2:11, Jam 2:13; Jo1 3:12-15 Exodus 20:14”

“The other Five Words or commandments, which determine the duties to one's neighbour, are summed up in Lev 19:18 in the one word, "Love thy neighbour as thyself." The order in which they follow one another is the following: they first of all secure life, marriage, and property against active invasion or attack, and then, proceeding from deed to word and thought, they forbid false witness and coveting. (Note: Luther has pointed out this mirum et aptum ordinem, and expounds it thus: Incipit prohibitio a majori usque ad minimum, nam maximum damnum est occisio hominis, deinde proximum violatio conjugis, tertium ablatio facultatis. Quod qui in iis nocere non possunt, saltem lingua nocent, ideo…”