Zechariah 12:1 The burden of the word of the LORD for Israel, saith the LORD, which stretcheth forth the heavens, and layeth the foundation of the earth, and formeth the spirit of man within him.
Luke 17:20 And when he was demanded of the Pharisees, when the kingdom of God should come, he answered them and said, The kingdom of God cometh not with observation:
Luke 17:21 Neither shall they say, Lo here! or, lo there! for, behold, the kingdom of God is within you.
First 2 Heavens within you are elementary, earthly: carnal.
Third Heaven is the beginning of The Kingdom GOD within You.
By your effort to be more Spiritual: worship/serve GOD, You will be "Caught Up" to the next [Heaven Within You]. Consider it a Up Grade of your Soul according to the "Effectual Working" of the members of your Soul: Your body consists of many members.
The continual "Up Grading" of the [Heaven within you] will bring you to that last Sounding of the Trumpet of the 7th Heaven within You, When you are Caught Up in a Twinkle of an Eye….TO CONTINUE
Comment on 1st Verse only
The WORD of the Lord is the New Testament of Today and as you have come to realize: it is a Burden, eventually to Israel, and now is to Christians.
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Saith the Lord which stretcheth forth the Heavens:
1st Heaven>>>2nd Heaven>>> 3rd Heaven(the beginning of the Kingdom of GOD)>>>4th Heaven>>> 5th Heaven>>> 6th>>>7th Heaven
Mat 5:48 Be ye therefore perfect, even as your Father which is in heaven is perfect.
Psalm 12:6 The words of the LORD [are] pure words: [as] silver tried in a furnace of earth, purified seven times.
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And formeth the Spirit of Man within him.
By the effectual working there of, as Paul the Apostle says, and I'll add: for better or for worst, as we WILL or Will NOT to do, until the desired end comes