made manifest. Greek. phaneroo. App-106.
therefore. on account of this Greek. dia (App-104.John 1:1; John 1:1). The purpose should be well noted. Compare Romans 15:8.
Related Commentaries of John 1:31
John 1:31
31 And I knew him not: but that he should be made manifest to Israel, therefore am I come baptizing with water.