Acts 8:37

And Philip said, If thou believest with all thy heart, thou mayest. And he answered and said, I believe that Jesus Christ is the Son of God.

Matthew 16:16

And Simon Peter answered and said, Thou art the Christ, the Son of the living God.

Matthew 28:19

Go ye therefore, and make disciples of all the nations, baptizing them into the name of the Father and of the Son and of the Holy Spirit:

Mark 16:16

He that believeth and is baptized shall be saved; but he that disbelieveth shall be condemned.

John 6:68-69

Simon Peter answered him, Lord, to whom shall we go? thou hast the words of eternal life.

John 9:35-38

Jesus heard that they had cast him out; and finding him, he said, Dost thou believe on the Son of God?

John 11:27

She saith unto him, Yea, Lord: I have believed that thou art the Christ, the Son of God, even he that cometh into the world.

John 20:31

but these are written, that ye may believe that Jesus is the Christ, the Son of God; and that believing ye may have life in his name.

Acts 2:38-39

And Peter'said unto them, Repent ye, and be baptized every one of you in the name of Jesus Christ unto the remission of your sins; and ye shall receive the gift of the Holy Spirit.

Acts 8:12-13

But when they believed Philip preaching good tidings concerning the kingdom of God and the name of Jesus Christ, they were baptized, both men and women.

Acts 8:21

Thou hast neither part nor lot in this matter: for thy heart is not right before God.

Acts 9:20

And straightway in the synagogues he proclaimed Jesus, that he is the Son of God.

Romans 10:10

for with the heart man believeth unto righteousness; and with the mouth confession is made unto salvation.

1 Corinthians 12:3

Wherefore I make known unto you, that no man speaking in the Spirit of God saith, Jesus is anathema; and no man can say, Jesus is Lord, but in the Holy Spirit.

1 Peter 3:21

which also after a true likeness doth now save you, even baptism, not the putting away of the filth of the flesh, but the interrogation of a good conscience toward God, through the resurrection of Jesus Christ;

1 John 4:15

Whosoever shall confess that Jesus is the Son of God, God abideth in him, and he in God.

1 John 5:1

Whosoever believeth that Jesus is the Christ is begotten of God: and whosoever loveth him that begat loveth him also that is begotten of him.

1 John 5:5

And who is he that overcometh the world, but he that believeth that Jesus is the Son of God?

1 John 5:10-13

He that believeth on the Son of God hath the witness in him: he that believeth not God hath made him a liar; because he hath not believed in the witness that God hath borne concerning his Son.

Treasury of Scripture Knowledge

Summary

And Philip said, If thou believest with all thine heart, thou mayest. And he answered and said, I believe that Jesus Christ is the Son of God.

He answered

Bible References

If

Acts 8:12
But when they believed Philip preaching good tidings concerning the kingdom of God and the name of Jesus Christ, they were baptized, both men and women.
Acts 2:38
And Peter'said unto them, Repent ye, and be baptized every one of you in the name of Jesus Christ unto the remission of your sins; and ye shall receive the gift of the Holy Spirit.
Matthew 28:19
Go ye therefore, and make disciples of all the nations, baptizing them into the name of the Father and of the Son and of the Holy Spirit:
Mark 16:16
He that believeth and is baptized shall be saved; but he that disbelieveth shall be condemned.
Romans 10:10
for with the heart man believeth unto righteousness; and with the mouth confession is made unto salvation.

He answered

1 Peter 3:21
which also after a true likeness doth now save you, even baptism, not the putting away of the filth of the flesh, but the interrogation of a good conscience toward God, through the resurrection of Jesus Christ;

I believe

Acts 9:20
And straightway in the synagogues he proclaimed Jesus, that he is the Son of God.
Matthew 16:16
And Simon Peter answered and said, Thou art the Christ, the Son of the living God.
John 6:68
Simon Peter answered him, Lord, to whom shall we go? thou hast the words of eternal life.
John 9:35
Jesus heard that they had cast him out; and finding him, he said, Dost thou believe on the Son of God?
John 11:27
She saith unto him, Yea, Lord: I have believed that thou art the Christ, the Son of God, even he that cometh into the world.
John 20:31
but these are written, that ye may believe that Jesus is the Christ, the Son of God; and that believing ye may have life in his name.
1 Corinthians 12:3
Wherefore I make known unto you, that no man speaking in the Spirit of God saith, Jesus is anathema; and no man can say, Jesus is Lord, but in the Holy Spirit.
1 John 4:15
Whosoever shall confess that Jesus is the Son of God, God abideth in him, and he in God.
1 John 5:1
Whosoever believeth that Jesus is the Christ is begotten of God: and whosoever loveth him that begat loveth him also that is begotten of him.

American Standard Version Public Domain