I'm going to list some.
But keep in mind that some believe that our reward will be something other than heaven. Our reward IS HEAVEN.
Then, Beyond that, we don't really know if there will also be some type of "reward" in heaven. if YOU have some scripsture about this, I'd appreciate seeing it. Personally, I'm not too concerned with rewards which is why I've never responded to this.
For me, HEAVEN is my reward, as the N.T. teaches me.
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James 1:12 -
Blessed [is] the man that endureth temptation: for when he is tried, he shall receive the crown of life, which the Lord hath promised to them that love him.
Colossians 3:23-24 -
23 And whatsoever ye do, do [it] heartily, as to the Lord, and not unto men;
24 Knowing that of the Lord ye shall receive the reward of the inheritance: for ye serve the Lord Christ.
Matthew 16:27 -
For the Son of man shall come in the glory of his Father with his angels; and then he shall reward every man according to his works.
Matthew 25:21 -
His lord said unto him, Well done, [thou] good and faithful servant: thou hast been faithful over a few things, I will make thee ruler over many things: enter thou into the joy of thy lord.
Romans 2:6
God “will repay each person according to what they have done.”
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There are many more.
For instance, the very last one... God will repay each person according to what they have done...
This has to be coupled with John 5:28-29
John 5:28-29 New American Standard Bible (NASB)
28 Do not marvel at this; for an hour is coming, in which all who are in the tombs will hear His voice,
29 and will come forth; those who did the good deeds to a resurrection of life, those who committed the evil deeds to a resurrection of judgment.