If the truth doesn't win him over, perhaps charm will.
Win-over Sentence Examples
I have to win over Gabriel in a week.
Gabriel could move forward, try to win over the woman who seemed much more interested in him than she had a few days ago, before her deal with the Dark One.
Farnese at once set to work with subtle skill to win over to the royalist cause the Catholic nobles of the south.
Under Napoleon he became a member of the council of state, and from 1812 to 1814 he governed Catalonia under the title of intendant-general, being charged to win over the Catalonians to King Joseph Bonaparte.
Origen indulged in many speculations which were afterwards condemned, but, as these matters were still open questions in his day, he was not reckoned a heretic. (iii.) In accordance with the New Testament use of the term heresy, it is assumed that moral defect accompanies the intellectual error, that the false view is held pertinaciously, in spite of warning, remonstrance and rebuke; aggressively to win over others, and so factiously, to cause division in the church, a breach in its unity.