We have the natural body and the Spiritual Body. (1 Corinthians 15:42-44)
When we refer Jesus as the Son of Man we are referring to the Jesus in his natural body as a Man.
When we say Jesus as God, we are referring to the Resurrected Christ who is seated at the right hand of the Father.
Jesus Son of God, was the seed that feel on the ground and died to reveal the spirtual existance of God to the world.
Holy Spirit is the Spirit of Truth. So when Holy Spirit testifies it is the unshakeable truth, no one can deny it. Denying the Holy Spirit is deniying the Truth, which is against the law of creation.
John 15:26 “When the Advocate comes, whom I will send to you from the Father—the Spirit of truth who goes out from the Father—he will testify about me,
1 Corinthians 15:42-44
So will it be with the resurrection of the dead.The body that is sown is perishable, it is raised imperishable; 43 it is sown in dishonor, it is raised in glory; it is sown in weakness, it is raised in power; 44 it is sown a natural body, it is raised a spiritual body.