Festus interrupted a speech by this apostle claiming, "Much learning doth make thee mad"
[DOC] [TLE] Gospel Doctrine 2015  Lesson 38  Thou Hast Testified of Me ... [PAR] Sep 23, 2015 ... 'For the first time the courage even of the Apostle's companions .... had probably 
only partially understood St. Paul's Aramaic speech, ... as Paul testified of the 
resurrection, Festus interrupted him and 'said with a loud voice, Paul, thou art 
beside thyself; much learning doth make thee mad' (Acts 26:24).