Which scriptures show God keeps promises?
What other scriptures emphasize God's ability to fulfill His promises?

Romans 4:21 – Confidence Rooted in God’s Ability

“being fully convinced that God was able to do what He had promised.”


God Cannot Lie—His Character Guarantees His Promises

Numbers 23:19 – “God is not a man, that He should lie, nor a son of man, that He should change His mind. Does He speak and not act? Does He promise and not fulfill?”

Hebrews 6:17-18 – “Because God wanted to make the unchanging nature of His purpose very clear to the heirs of the promise, He confirmed it with an oath, so that by two unchangeable things… it is impossible for God to lie…”

Titus 1:2 – “in the hope of eternal life, which God, who cannot lie, promised before time began.”


Every Word Accomplishes Its Purpose

Isaiah 55:10-11 – “so My word that proceeds from My mouth will not return to Me empty, but it will accomplish what I please, and it will prosper where I send it.”

Jeremiah 1:12 – “You have seen correctly, for I am watching over My word to accomplish it.”

Matthew 24:35 – “Heaven and earth will pass away, but My words will never pass away.”


Promises Fulfilled in Israel’s History

Joshua 21:45 – “Not one of all the LORD’s good promises to the house of Israel failed; everything was fulfilled.”

Joshua 23:14 – “You know with all your heart and soul that not one of all the good promises the LORD your God gave you has failed.”

1 Kings 8:56 – “Not one word has failed of all His good promises, which He spoke through His servant Moses.”


Promises Secured in Christ

2 Corinthians 1:20 – “For all the promises of God are ‘Yes’ in Christ. And so through Him our ‘Amen’ is spoken to the glory of God.”

Luke 1:37 – “For nothing will be impossible with God.”

Romans 8:32 – “He who did not spare His own Son… how will He not also, along with Him, freely give us all things?”


Holding Fast While We Wait

Hebrews 10:23 – “Let us hold resolutely to the hope we profess, for He who promised is faithful.”

1 Thessalonians 5:24 – “The One who calls you is faithful, and He will do it.”

Psalm 145:13 – “The LORD is faithful in all His words and kind in all His actions.”


Assurance for Today

Psalm 89:34 – “I will not violate My covenant or alter the utterance of My lips.”

Lamentations 3:22-23 – “Because of the LORD’s loving devotion we are not consumed… great is Your faithfulness.”

• Jude 24-25 – “Now to Him who is able to keep you from stumbling and to present you blameless… be glory, majesty, power, and authority.”


Takeaway

The consistent testimony of Scripture—across law, history, prophets, Gospels, and epistles—declares that the God who made promises is both willing and able to perform them. Romans 4:21 stands amid a chorus of verses affirming that His word never fails.

How can we apply Abraham's faith in Romans 4:21 to our daily lives?
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