Joshua 1:7 similarly exhorts to be strong and courageous, linking the call to strength with obedience to God's law.

2 John 1:8 warns against losing reward and urges full reward—complements the promise here by stressing perseverance.

Heb 10:35 urges not to lose confidence because it will be richly rewarded—parallels the call to be strong for reward.

Heb 6:10 assures God will not forget your work and love—directly supports the promise of reward here.

Col 3:24 assures that serving Christ brings an inheritance as reward—reinforcing the promise of reward for work here.

In Ephesians 6:10, Paul writes 'be strong in the Lord', adding the source of strength, which deepens the command to not lose heart.

In 1 Corinthians 16:13, Paul urges believers to 'be strong' and stand firm, a New Testament parallel to the Old Testament call to perseverance.

1 Cor 15:58 directly echoes the call to be strong and not give up, assuring labor in the Lord is not in vain.

In 1 Cor 3:14, Paul uses building imagery to say lasting work for God brings reward—mirroring the promise here.

1 Corinthians 3:14 promises reward for enduring work built on Christ — a direct parallel to the assurance that work will be rewarded.

Luke 6:35 promises great reward for loving enemies without expecting return — reinforcing the OT promise of reward for righteous conduct.

Matthew 10:42 assures that even a cup of cold water to a disciple will not lose its reward — showing no work for God is unrewarded.

Matthew 10:41 promises a prophet’s reward for welcoming God’s messengers — a specific example of work being rewarded.

Matthew 6:18 promises reward for secret fasting — another instance of the same reward promise for righteous deeds.

Matthew 6:6 promises reward for secret prayer — reinforcing the principle of reward for faithful acts.

Matthew 6:4 assures that God who sees in secret will reward — directly echoing the promise that work will be rewarded.

In Matthew 5:12, Jesus promises great reward in heaven for the persecuted, linking earthly perseverance to heavenly recompense.

In Daniel 10:19, the angel commands 'be strong' and Daniel is strengthened, showing divine empowerment behind the call to not give up.

In Isaiah 35:4, the same exhortation 'be strong, do not fear' is linked to God's coming with vengeance and salvation, echoing the promise of reward for faithfulness.

Isaiah 35:3 uses the same 'weak hands' imagery, calling to strengthen them as a sign of God's salvation, paralleling the exhortation.

In Psalm 58:11, it is affirmed that the righteous are rewarded, reinforcing the certainty of reward for those who do not give up.

In Psalm 19:11, the psalmist declares that keeping God's commands brings great reward, connecting obedience to the promised reward in Chronicles.

1 Chronicles 28:20 echoes the call to strength and courage with a promise of God's faithfulness to complete the work, similar to the reward.

In Ruth 2:12, Boaz prays that Ruth be richly rewarded by the Lord, illustrating the principle of divine repayment for faithful deeds.

Joshua 1:9 also commands strength and courage, adding the assurance of God's presence, which undergirds the promised reward.

In Genesis 15:1, God tells Abram 'I am your very great reward', revealing that the ultimate reward for faithful work is God Himself.

Jer 31:16 contains the same promise 'your work will be rewarded'—a direct OT echo of the assurance given here.

Neh 6:9 shows prayer for strength to continue work amidst opposition—echoes the call to be strong, though reward is implicit.

Matthew 6:1 warns that practicing righteousness for human praise forfeits the reward — adding a condition to the promise of reward for work.

In Matthew 5:46, Jesus questions the reward for loving only those who love you, adding nuance about what kind of work is rewarded.

Psalm 27:14 encourages waiting on the Lord with courage, linking to the call to not let hands be weak and the promise of reward.