may i ask one question here: what's the actual belief of christians? from what i read in the bible, god is One and Only, but from what i know many christians believe that god is somehow 3 in 1 (trinity).. which is totally different thing from One and only. Here's what I found from bible:

Isaiah 46:9 — For I am God, and there is none else; I am God, and there is none like me.
Chronicles 17:20 — O LORD, there is none like thee, neither is there any God beside thee, according to all that we have heard with our ears.
James 2:19 — Thou believest that there is one God; thou doest well: the devils also believe, and tremble.

If according to the phrases above, it seems The Holy Qur'an and bible shares the same view:

From the Holy Qur'an, surah Al-Ikhlas:
Say: He is Allah, the One and Only; [1] Allah, the Eternal, Absolute; [2] He begetteth not, nor is He begotten; [3] And there is none comparable unto Him. [4]

any comment about this statement?

One Scripture tells me that Jesus is not God because Jesus himself defined who is God and who isn't. Jesus prayed to the Father in John 17:3-"And this is the way to have eternal Life, by knowing you, the Only True God, and Jesus Christ, the one you sent to earth". When Jesus already defined who is the Only God, then he has already defined who isn't God, which is everybody else. So, Jesus did say in that scripture that he is not God.

hmmm ok. however it doesn't make sense for jesus to be both. god is a creator. man is a creation. this defies all logic