(1.) What the iniquity was that was the ruin of the king of Tyre. [1.] The iniquity of his traffic (so it is called, v. 18), both his and his people's, for their sin is charged upon him, because he connived at it and set them a bad example (v. 16): By the multitude of thy merchandise they have filled the midst of thee with violence, and thus thou hast sinned. The king had so much to do with his merchandise, and was so wholly intent upon the gains of that, that he took no care to do justice, to give redress to those that suffered wrong and to protect them from violence; nay, in the multiplicity of business, wrong was done to many by oversight; and in his dealings he made use of his power to invade the rights of those he dealt with. Note, Those that have much to do in the world are in great danger of doing much amiss; and it is hard to deal with many without violence to some. Trades are called mysteries; but too many make them mysteries of iniquity. [2.] His pride and vain-glory (v. 17): "Thy heart was lifted up because of thy beauty; thou wast in love with thyself, and thy own shadow. And thus thou hast corrupted thy wisdom by reason of the brightness, the pomp and splendour, wherein thou livedst." He gazed so much upon this that it dazzled his eyes and prevented him from seeing his way. He appeared so puffed up with his greatness that it bereaved him both of his wisdom and of the reputation of it. He really became a fool in glorying. Those make a bad bargain for themselves that part with their wisdom for the gratifying of their gaiety, and, to please a vain humour, lose a real excellency.