'Anyone who breaks one of the least of these commandments and teaches others to do the same will be called least in the kingdom of heaven, but whoever practices and teaches these commands will be called great in the kingdom of heaven.'
'Do not store up for yourselves treasures on earth, where moth and rust destroy, and where thieves break in and steal. But store up for yourselves treasures in heaven, where moth and rust do not destroy, and where thieves do not break in and steal. For where your treasure is, there your heart will be also.'
1 Corinthians 3v10-15
'By the grace God has given me, I laid a foundation as an expert builder, and someone else is building on it. But each one should be careful how he builds. For no one can lay any foundation other than the one already laid, which is Jesus Christ. If any man builds on this foundation using gold, silver, costly stones, wood, hay or straw, his work will be shown for what it is, because the Day will bring it to light. It will be revealed with fire, and the fire will test the quality of each man's work. If what he has built survives, he will receive his reward. If it is burned up, he will suffer loss; he himself will be saved, but only as one escaping through the flames.'
What will 'heaven' be like?
Will all people in 'heaven' be equal?
Not by my reading of the above scriptures.
The thing that always struck me about the verse from Matthew 5, above, is that both the characters mentioned in it are in the kingdom of heaven. Its not as if the actions of one send them to hell and the actions of the other send them to heaven, what we have here is two characters who are both going to heaven, but one will have greater esteem there than the other. They will not be equal.
The Matthew 6 verse also implies inequality. If you can store up treasure for yourself in heaven, then it is obvious that some will store up more than others. Therefore, in heaven, some will have more (possibly much more) than others. Inequality again.
And finally we have the verse from Paul's letter to the Corinthians. I thought about these verses long and hard several years ago. The sense is much the same as Jesus's 'store up treasure in heaven' saying, but Paul speaks of building a house. The interesting bit of the passage, in this regard, is the end of it. Here we have the case of a man who hasn't built with the right materials on the right foundation - in other words everything he has done is wrong - but, his salvation is assured, he is in the kingdom. When the judgement comes, all his (misdirected) efforts come to nothing, but he is still saved. He has nothing, and even has the pain of losing everything, but still makes it through to the kingdom of heaven. In contrast to this, of course, are the folk who have built on the right foundations with the right materials - they enter the kingdom with their buildings still standing, and probably with much treasure also.
So I think it is clear that both Jesus and Paul preach a message of inequality - even if we get to heaven, we will not all be equal. This is also clear from several of Jesus's parables. How many times does Jesus say 'the kingdom of God is like...' and go on to explain a situation where one man gets 10 talents, one gets 5 and one gets only 1, or similar? If I recall correctly, there are several parables like this.
The kingdom of God is not built on equality. There will be inequality in heaven.
What are you doing to store up treasure for yourself in heaven?
Oh, and by the way, I'd still rather be least in the kingdom of heaven, than be great in the kingdom of hell...