Raca (5:22): An insulting term of strong personal abuse.[bsg_ref id=\"70\" vol=\"\" page=\"1419\"] May be related to the Aramaic word for “empty” and means “Empty-head!”[bsg_ref id=\"81\" vol=\"\" page=\"1446\"]
Certificate of divorce (5:31; cf. Dt 24:1-4): The Law was supposed to deter divorce rather than encourage it. It required a “writing of divorcement”—a public document granting the woman the right to remarry without civil or religious sanction. Divorce could not be done privately.[bsg_ref id=\"77\" vol=\"\" page=\"439\"]
Swear (5:33): The Pharisees were notorious for their oaths, which were made on the least provocation. Yet they made allowances for mental reservations within their oaths. If they wanted to be relieved of oaths they had made by heaven...by earth...by Jerusalem, or by one’s own head, they could argue that since God Himself had not been involved their oaths were not binding. [bsg_ref id=\"85\" vol=\"\" page=\"31\"]
Tax collectors (5:46): Traditionally known as “publicans,” these were local men employed by Roman tax contractors to collect taxes for them. Because they worked for Rome and often demanded unreasonable payments, the tax collectors gained a bad reputation and were generally hated and considered traitors.[bsg_ref id=\"81\" vol=\"\" page=\"1447\"]

be perfect

Matthew – 7