Sikhism

God is one and utterly formless (nirankar) and never takes human birth (ajooni) — so God cannot become incarnate, and Jesus is at most a holy man, not God in the flesh.

Their basis
The Mool Mantar and Ik Onkar ('One God') open the Guru Granth Sahib, describing God as without form, unborn (ajooni), self-existent, beyond incarnation. Guru Nanak taught devotion to the one formless Reality and opposed idols and images, so a God who becomes a man is seen as a category error.

Scripture answers
Scripture proclaims exactly what Sikhism rules out: the one true God, out of love, took on flesh. 'The Word became flesh and dwelt among us' (John 1:1,14); 'in Him the whole fullness of deity dwells bodily' (Colossians 2:9). Though existing 'in the form of God,' He 'emptied himself, by taking the form of a servant, being born in the likeness of men' (Philippians 2:6-7) — the unborn One willingly entering birth; and the risen Christ drew from Thomas the confession, 'My Lord and my God!' (John 20:28). Jesus is not one holy teacher among many but God the Son, the only way to the Father (John 14:6).

John 1:1John 1:14Colossians 2:9Philippians 2:6-7John 20:28John 14:6

In fairness: Their zeal for the one God and their refusal of idolatry genuinely echo the Bible's own confession (Deuteronomy 6:4; Isaiah 45:5). They are right that God is one and not to be reduced to an image. The very God they honor is the one who, in love, stepped into His own creation — the incarnation is not God being diminished but God drawing near.

Liberation (mukti) — release from the cycle of karma and reincarnation and union with God — is attained through meditation on the Name (Naam Simran), honest living, and sharing, all under God's grace, across one or many lifetimes.

Their basis
The Guru Granth Sahib teaches karma and rebirth: the soul transmigrates until, by devotion and God's grace (nadar/kirpa), it merges with the Divine. Right living (Kirat Karni), remembrance of God (Naam Japna), and generosity (Vand Chakna) are the path out of the cycle.

Scripture answers
Scripture denies the wheel of rebirth: 'it is appointed for man to die once, and after that comes judgment' (Hebrews 9:27) — one life, then God's verdict, not endless returns. And salvation is not accumulated merit but a gift: 'by grace you have been saved through faith… not a result of works' (Ephesians 2:8-9); 'not because of works done by us… but according to His mercy' (Titus 3:5). The debt of sin is paid by Christ's finished work, not by our striving (John 3:16; Romans 6:23).

Hebrews 9:27Ephesians 2:8-9Titus 3:5John 3:16Romans 6:23

In fairness: Sikhism leans heavily on God's grace (nadar) and does not teach that a person saves himself by works alone — it rightly senses that human effort is not enough and that mercy is needed. That instinct is true. The gospel answers where that mercy is actually found and secured: in Christ's atoning death and resurrection, a finished gift received by faith, not a liberation earned over lifetimes.

The line of ten Gurus and then the Guru Granth Sahib — declared the eternal, living Guru — are the final authority and guide for the soul's union with God.

Their basis
In 1708 Guru Gobind Singh ended the line of human Gurus and vested the perpetual Guruship in the scripture itself, so Sikhs bow to and take guidance from the Guru Granth Sahib as the living voice of the Guru.

Scripture answers
God's final and highest word is not a book or a line of teachers but His Son: 'Long ago… God spoke… but in these last days He has spoken to us by His Son… the exact imprint of His nature' (Hebrews 1:1-3). The gospel warns against receiving any other message alongside it (Galatians 1:8), for there is one Good Shepherd who laid down His life for the sheep (John 10:11) — something no guru did.

Hebrews 1:1-3Galatians 1:8John 10:11John 14:6

In fairness: Honoring wise teachers who call people to devotion, honesty, and remembrance of God is not itself wrong, and the Gurus taught real integrity. But no guru died for the sins of the world or rose from the grave; a teacher can point toward God, yet only the risen Christ can bring us to Him.

Religious pluralism — the different faiths are diverse, sincere paths to the same one God; caste, sectarian hatred, and 'Hindu vs. Muslim' divisions are false.

Their basis
Guru Nanak's saying, 'There is no Hindu, there is no Muslim,' and the Sikh vision of one God worshiped under many names, expressed in the open community kitchen (langar) that feeds everyone equally regardless of religion or caste.

Scripture answers
Jesus makes an exclusive claim that no sincere alternative can replace: 'I am the way, and the truth, and the life. No one comes to the Father except through Me' (John 14:6); 'there is salvation in no one else' (Acts 4:12); 'there is one God, and one mediator between God and men, the man Christ Jesus' (1 Timothy 2:5). Sincerity in the wrong object cannot bridge the gap sin has made.

John 14:6Acts 4:121 Timothy 2:5Galatians 3:28

In fairness: Their war on caste and sectarian pride, and their conviction that every person stands equal before God — enacted in the langar that feeds all comers — is genuinely admirable and close to the gospel's own 'neither Jew nor Greek… you are all one in Christ' (Galatians 3:28) and God's care for the hungry. The error is not the compassion or the equality; it is the claim that all paths arrive at the one God, when the one Mediator says otherwise.