t12papocrypha
Testament of Simeon 5
Simeon, near death, holds Joseph up as the proof that inward purity shows on the face — no wickedness dwelt in him, so his countenance bore no shadow. The warning that follows is direct: fornication is the root evil because it severs the soul from Jehovah and draws it toward Beliar. Simeon then cites the writing of Enoch as witness that his own posterity will fall into this sin and turn the sword against Levi — yet Levi will not fall, for Levi wages Jehovah's war and prevails. Jacob's prophetic blessings are named as the confirming seal on Simeon's diminished inheritance.
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Therefore was Joseph fair in appearance, and goodly to look upon, because there dwelt not in him any wickedness; for in trouble of the spirit the face declareth it. And now, my children, make your hearts good before the Lord, and your ways straight before men, and ye shall find grace before God and men. And take heed not to commit fornication, for fornication is mother of all evils, separating from God, and bringing near to Beliar. For I have seen it inscribed in the writing of Enoch that your sons shall with you be corrupted in fornication, and shall do wrong against Levi with the sword. But they shall not prevail against Levi, for he shall wage the war of the Lord, and shall conquer all your hosts; and there shall be a few divided in Levi and Judah, and there shall be none of you for sovereignty, even as also my father Jacob prophesied in his blessings.