His eyes shall see his destruction - That is, his own eyes shall see his destruction, or the calamities that shall come upon him. That is, “You maintain that, or this is the position which you defend.” Job designs to meet this, and to show that it is not always so.
And he shall drink of the wrath of the Almighty - Wrath is often represented as a cup which the wicked are compelled to drink. See the notes, Isaiah 51:17.