Mark 9:23
"If You can?" echoed Jesus. "All things are possible to him who believes!"

1 John 4:15
If anyone confesses that Jesus is the Son of God, God abides in him, and he in God.

1 John 5:1
Everyone who believes that Jesus is the Christ is born of God, and everyone who loves the Father also loves the one born of Him.

1 John 5:20
And we know that the Son of God has come and has given us understanding, so that we may know Him who is true; and we are in Him who is true--in His Son Jesus Christ. He is the true God and eternal life.