Word: o in Romans

Therefore thou art inexcusable, O man, whosoever thou art that judgest: for wherein thou judgest another, thou condemnest thyself; for thou that judgest doest the same things.

Romans 2:3

And thinkest thou this, O man, that judgest them which do such things, and doest the same, that thou shalt escape the judgment of God?

Romans 7:24

O wretched man that I am! who shall deliver me from the body of this death?

Romans 9:20

Nay but, O man, who art thou that repliest against God? Shall the thing formed say to him that formed it, Why hast thou made me thus?

Romans 11:33

O the depth of the riches both of the wisdom and knowledge of God! how unsearchable are his judgments, and his ways past finding out!