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yā-ʾayyuhā lladhīna ʾāmanū lā taʾkulū ʾamwālakum baynakum bi-l-bāṭili ʾillā ʾan takūna tijāratan ʿan tarāḍin minkum wa-lā taqtulū ʾanfusakum ʾinna llāha kāna bikum raḥīman
O you who have faith! Do not eat up your wealth among yourselves unrightfully, but it should be trade by mutual consent. And do not kill yourselves. Indeed Allah is most merciful to you.
— Ali Quli Qarai
Surah An-Nisa', Verse 29
29. "O' you who have Faith! Do not devour each other's property among yourselves in vanity, except that it be a trade by your mutual consent, and do not kill your (own) selves (one another); verily Allah is Merciful to you."
The secret of the occurrence of the prohibiting sense "do not kill" close to the meaning of "do not devour", a prohibition of false devouring, maybe, is for that an unsound economical system is a premise for the appearance of murder or destruction in the society.
Explanation
1- Personal possession is respected while domination in others' properties is unlawful, except for correct bargaining which are perfected on mutual consent.
2. A definite society, or an Ummah, has one unit of soul and a common fate.
3. Any kind of domination which is not based on divine truth' is forbidden. Some of its instances are; usurpation, theft, barring from inheritance, gambling, defraud, falsification, and purchasing the means of mischief and sin. It is so because all of these instances are the examples of vanity.
4. Bargains should be performed on the basis of mutual consent, not compulsively or unwillingly.
5. The life of a person is respectable. Therefore, suicide, and murdering others is 'unlawful'.