Anakalypsis / Unveiling the Word

Romans 4:21

And being fully persuaded that, what he had promised, he was able also to perform.

KJV

καὶ πληροφορηθεὶς ὅτι ὃ ἐπήγγελται δυνατός ἐστιν καὶ ποιῆσαι.

Greek NT

plenissime sciens, quia quæcumque promisit, potens est et facere.

Vulgate

and being fully assured that what he had promised, he was able also to perform.

ASV

Most fully knowing that whatsoever he has promised, he is able also to perform.

Douay-Rheims

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In the original Greek

8 distinct Greek words appear in this verse.

δυνατός
dunatos
adjective · 32×
εἰμί
eimi
verb · 2461×
καί
kai
conjunction · 8973×
πληροφορέω
plerophoreo
verb · 6×
ποιέω
poieo
verb · 569×
ἐπαγγέλλω
epaggello
verb · 15×
ὅς
os
relative_pronoun · 1404×
ὅτι
oti
conjunction · 1299×

Historic Christian voices

8 passages from patristic writers, Reformers, and church catechisms citing this verse.

§706Against all human hope, God promises descendants to Abraham, as the fruit of faith and of the power of the Holy Spirit.68 In Abraham's progeny all the nations of the earth will be blessed. This progeny will be Christ himself,69 in whom the outpouring of the Holy Spirit will "gather into one the children of God who are scattered abroad."70 God commits himself by his own solemn o…
§723In Mary, the Holy Spirit fulfills the plan of the Father's loving goodness. With and through the Holy Spirit, the Virgin conceives and gives birth to the Son of God. By the Holy Spirit's power and her faith, her virginity became uniquely fruitful.105
Source. Translated by J. Walker, J. Sheppard and H. Browne, and revised by George B. Stevens. From Nicene and Post-Nicene Fathers, First Series, Vol. 11. Edited by Philip Schaff. (Buffalo, NY: Christian Literature Publishing Co., 1889.) Revised and edited for New Advent by Kevin Knight. <https://www.newadvent.org/fathers/210208.htm>. Contact information. The editor of New Adven…
But what is that faith whereby we are sanctified, saved from sin and perfected in love? It is a divine evidence and conviction, first, that God hath promised it in the Holy Scripture. It is a divine evidence and conviction, secondly, that what God hath promised He is able to perform. It is a divine evidence and conviction, thirdly, that He is able and willing to do it now.
Q. What is true faith? A. True faith is not only a knowledge and conviction that everything God reveals in his Word is true; it is also a deep-rooted assurance, created in me by the Holy Spirit through the gospel, that, out of sheer grace earned for us by Christ, not only others, but I too, have had my sins forgiven, have been made forever right with God, and have been granted …

Cross-references

  • 1John 3:19 — And hereby we know that we are of the truth, and shall assure our hearts before him.
  • 2Cor 9:8 — And God is able to make all grace abound toward you; that ye, always having all sufficiency in all things, may abound to every good work:
  • 2Tim 1:5 — When I call to remembrance the unfeigned faith that is in thee, which dwelt first in thy grandmother Lois, and thy mother Eunice; and I am persuaded that in thee also.
  • 2Tim 1:12 — For the which cause I also suffer these things: nevertheless I am not ashamed: for I know whom I have believed, and am persuaded that he is able to keep that which I have committed unto him against th
  • Eph 3:20 — Now unto him that is able to do exceeding abundantly above all that we ask or think, according to the power that worketh in us,
  • Gal 3:6 — Even as Abraham believed God, and it was accounted to him for righteousness.
  • Gen 18:14 — Is any thing too hard for the LORD? At the time appointed I will return unto thee, according to the time of life, and Sarah shall have a son.
  • Gen 18:14 — Is any thing too hard for the LORD? At the time appointed I will return unto thee, according to the time of life, and Sarah shall have a son.
  • Heb 11:13 — These all died in faith, not having received the promises, but having seen them afar off, and were persuaded of them, and embraced them, and confessed that they were strangers and pilgrims on the eart
  • Heb 11:13 — These all died in faith, not having received the promises, but having seen them afar off, and were persuaded of them, and embraced them, and confessed that they were strangers and pilgrims on the eart
  • Heb 11:19 — Accounting that God was able to raise him up, even from the dead; from whence also he received him in a figure.
  • Jer 32:17 — Ah Lord GOD! behold, thou hast made the heaven and the earth by thy great power and stretched out arm, and there is nothing too hard for thee:
  • Jer 32:27 — Behold, I am the LORD, the God of all flesh: is there any thing too hard for me?
  • Luke 1:37 — For with God nothing shall be impossible.
  • Luke 1:45 — And blessed is she that believed: for there shall be a performance of those things which were told her from the Lord.
  • Matt 19:26 — But Jesus beheld them, and said unto them, With men this is impossible; but with God all things are possible.
  • Ps 115:3 — But our God is in the heavens: he hath done whatsoever he hath pleased.
  • Rom 8:38 — For I am persuaded, that neither death, nor life, nor angels, nor principalities, nor powers, nor things present, nor things to come,
  • Rom 8:38 — For I am persuaded, that neither death, nor life, nor angels, nor principalities, nor powers, nor things present, nor things to come,
  • Rom 14:4 — Who art thou that judgest another man’s servant? to his own master he standeth or falleth. Yea, he shall be holden up: for God is able to make him stand.