It should be obvious. Paul has gone through beatings, mockery, stoning, shipwrecks, jails, and beheading and he still kept his faith. Muhammad sought vengeance, pain, and suffering for the enemies of Islam and Allah whereas Paul readily forgave and was ready to be martyred for Jesus.
Apostle paul serve the one True god
The Apostle Paul, he was once a persecutor of Christians but was radically changed by the Lord Jesus Christ and he was willing to die for Christ.