1 Corinthians 8:6
[SUP]6 [/SUP]yet for us there is but one God, the Father, from whom are all things and we exist for Him; and one Lord, Jesus Christ, by whom are all things, and we exist through Him.
John 14:26
[SUP]26 [/SUP]But the Helper, the Holy Spirit, whom the Father will send in My name, He will teach you all things, and bring to your remembrance all that I said to you.
There are 3 persons in the God Head and each person has different jobs to do. But at the same time they all are one God.
John 14:9
[SUP]9 [/SUP]Jesus *said to him, “Have I been so long with you, and yet you have not come to know Me, Philip? He who has seen Me has seen the Father; how can you say, ‘Show us the Father’?
Its simple. Because we are made of matter we cannot comprehend that which is not made of atoms and electrons and protons.