Let the bible answers our question.
17Now to the King eternal, immortal, invisible, the only God, be honor and glory for ever and ever. Amen.I Timothy 1:17, NIV
39 Behold My hands and My feet, that it is I Myself. Handle Me and see, for a spirit does not have flesh and bones as you see I have.”Luke 24:39, NKJV
24God is spirit, and his worshipers must worship in spirit and in truth."John 4:24, NIV
1After Jesus said this, he looked toward heaven and prayed: "Father, the time has come. Glorify your Son, that your Son may glorify you. 2For you granted him authority over all people that he might give eternal life to all those you have given him. 3Now this is eternal life: that they may know you, the only true God, and Jesus Christ, whom you have sent.John 17:1-3, NIV