The main difference between a Catholic and a Christian is that Catholics believe in the authority of the Roman Catholic Church and its teachings, while Christians follow the spiritual teachings of Jesus Christ. Catholics believe in the infallibility of the Pope and the Bible, while Christians believe in the Bible as the only source of divine truth. Catholics also believe in the seven sacraments and the necessity of the Church for salvation. Christians believe that salvation comes through faith in Jesus Christ and His shed blood for the forgiveness of sins. Catholics practice the sign of the cross, while Christians practice baptism by full immersion in water. Catholics also practice confession of sin to a priest, while Christians confess their sins to God directly. Catholics also believe in praying to saints, while Christians do not.