John 6:29
Jesus answered and said to them, This is the work of God, that you believe on him whom he has sent.
Torrey's Topical Textbook—AKJV

1 John 3:23
And this is his commandment, That we should believe on the name of his Son Jesus Christ, and love one another, as he gave us commandment.
Torrey's Topical Textbook—AKJV