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9 Then I washed thee with water; yes, I thoroughly washed away thy blood from thee, and I anointed thee with oil.
Walking represents living, and usually means living according to the true things taught to us by the Lord -- to "walk in His ways." When the Lord is pictured walking, it means life itself.
31 Moreover, ye shall take no satisfaction for the life of a murderer, who is guilty of death: but he shall be surely put to death.