Deuteronomy 5:17

Thou shalt not kill.

Cross-reference

Exodus 20:13 is the parallel account of the same commandment against murder from the Decalogue.

In Matthew 5:21, Jesus cites this commandment as part of his teaching on the true meaning of the law.

In Matthew 5:22, Jesus contrasts this command by equating unjust anger with murder, intensifying the standard.

James 2:11 Citation

In James 2:11, this commandment is cited alongside 'do not commit adultery' to argue that breaking one point breaks the whole law.