For as long as there is jealousy and quarreling among you, are you not of the flesh,
and behaving according to human inclinations? 1 Corinthians 3.3
You have heard that it was said to those of ancient times, ‘You shall not murder’;
and ‘whoever murders shall be liable to judgment.’ But I say to you that if you are
angry with a brother or sister, you will be liable to judgment…. Matthew 5.21-22