1 Corinthians 9:2

If I am not an apostle to others, at least I am to you, for you are the seal of my apostleship in the Lord.

John 6:27

Don’t work for the food that perishes but for the food that lasts for eternal life, which the Son of Man will give you, because God the Father has set His seal of approval on Him.”

2 Corinthians 3:1-3

Are we beginning to commend ourselves again? Or do we need, like some, letters of recommendation to you or from you?

2 Corinthians 12:12

The signs of an apostle were performed with great endurance among you—not only signs but also wonders and miracles.

Treasury of Scripture Knowledge

Summary

1 Corinthians 9:2

If I be not an apostle unto others, yet doubtless I am to you: for the seal of mine apostleship are ye in the Lord.

General references

2 Corinthians 12:12

Bible References

General references

The signs of an apostle were performed with great endurance among you—not only signs but also wonders and miracles.