Edited sentence: Even today and in future all times to come, a Sikh who believe in One God and seek One God alone, will surely never fail to see ISLAM the origin of faith called TAUHEED - One God and One Mankind, the blessings for mankind.Guru Nanak was a Muslim.He adopted to Tauheed (One God and One Mankind - the essence of Islam), and to propagate among his people in Punjab he adopted a soft way as he thought best to introduce Islam among fellow Hindus then, the idol-worshippers of his times, and put Islam and only Islam as right-way of life.He visited Hijaz to learn Holy Scriptures of Islam - Qura'an and Hadees.Later his death, his close Chelas instead of taking masses to core Islam, changed tracks a bit and over centuries got closer to Hindus than to Islam.Sikhism has had strong influence from both Islam and Hinduism but more from the latter