Today many believe that if we are sincere in our worship to God, whatever form it may take, God is obligated to accept it. However, in His Word, repeatedly, God has made it clear He will reject all worship that He has not authorized in His Word. We must worship God in spirit and truth according to the apostles teaching in the New Testament. Although common, the three types of unauthorized worship that most practice, will be rejected by God. What are these three types of unauthorized worship that we must avoid?