Ephesians 1:13

In whom ye also {trusted}, after that ye heard the word of truth, the gospel of your salvation: in whom also after that ye believed, ye were sealed with that holy Spirit of promise,

Hebrews 6:17

Wherein God, willing more abundantly to shew unto the heirs of promise the immutability of his counsel, confirmed {it} by an oath: {confirmed...: Gr. interposed himself by}

Titus 1:1-2

Paul, a servant of God, and an apostle of Jesus Christ, according to the faith of God's elect, and the acknowledging of the truth which is after godliness;

2 Corinthians 1:18

But {as} God {is} true, our word toward you was not yea and nay. {word: or, preaching}

Romans 4:18-21

Who against hope believed in hope, that he might become the father of many nations, according to that which was spoken, So shall thy seed be.

John 6:27

Labour not for the meat which perisheth, but for that meat which endureth unto everlasting life, which the Son of man shall give unto you: for him hath God the Father sealed. {Labour not: or, Work not}

2 Corinthians 1:22

Who hath also sealed us, and given the earnest of the Spirit in our hearts.

Romans 3:3-4

For what if some did not believe? shall their unbelief make the faith of God without effect?