[Pooya/Ali Commentary 2:147] The Jews and the Christians concealed the truth because it threatened the continuity of their attachments, old habits and position, otherwise they knew the truth of the "prophetic message" clearly but withheld it and denied its exposure to others. It is a reiteration of the prophethood of the Holy Prophet to reassure those believers who were weak in faith, and a positive statement to exhort the disbelievers who refused to believe in him as a genuine messenger of Allah. It is a warning to the followers of the Holy Prophet (through him) not to be of doubters.