Truth persuades by teaching, but does not teach by persuading.

The first reaction to truth is hatred

If "facts" convinced people of things, no one would have sex

Ye did run well; who did hinder you that ye should not obey the truth? / This persuasion cometh not of him that calleth you.

The secret of the most persuasive person: Always tell the TRUTH.

The blood of the martyrs is the seed of the church