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Muslims believe that God is One and that there are no gods except Him. They stress that even though Christians claim to be monotheists, they actually believe in three Gods. They think that Christians err when they say that Jesus is the Son of God.
But in the Bible, the term “son” expresses an intimate relationship with someone or something. While it indicates origin, it also expresses close association or identification with persons or things and it does not limit oneself to one’s father and mother. One can be called the “son” of his parents, his relatives, his tribe, and his nation…etc. Therefor, the title “Son of God” does not mean Jesus was literally born from God. But it simply means that the son bears His father’s qualities and characteristics.
Jesus Himself taught monotheism. He said, “…The Lord our God, the Lord is one” (Mark 12:29). And He added, “I and the Father are one” (John 10:30). Jesus claimed to be from and of God “In the beginning was the Word, and the Word was with God, and the Word was God. The same was in the beginning with God” (John 1:1-2; 5:18-24).
Jesus claimed divinity and the religious leaders of His time refused to believe that He was the Son of God and sought to kill Him for blasphemy (Mark 14:61-64). So, Jesus is either God’s Son as He claimed or a blasphemer!
We can fully trust Jesus’ word because:
1-Jesus’ life was a fulfillment to over 125 Old Testament prophecies. Only God can predict the future. And these prophecies predicted the life, ministry, death of Jesus and that He will be God in the flesh (Isaiah 9:6) .
2-Jesus lived a sinless life. Jesus is different from any other man that ever lived in that He was sinless. Not once during His earthly life did He sin against God or man “He committed no sin, neither was deceit found in his mouth” (1 Peter 2:22). Even His enemies testified to that (Matthew 27:54). Could one flaw be found in His life, Christ’s claims would be dissipated.