Genesis 49:4

Boiling over like water, thou mayest not have pre-eminence, Because thou didst mount the bed of thy father, - Then, wast thou profane - My marriage-bed, he mounted!

Genesis 35:22

And it came to pass while Israel inhabited that land, that Reuben went and lay with Bilhah his father's concubine; and Israel heard of it. And so the Sons of Israel came to be Twelve.

Deuteronomy 27:20

Cursed, be he that lieth with his father's wife, because he hath turned aside his father's coverlet. And all the people shall say - Amen.

1 Chronicles 5:1

And the sons of Reuben the firstborn of Israel, for, he, was the firstborn, but because he defiled the couch of his father, his birthright was given to the sons of Joseph son of Israel, - and he is not to be enrolled in the place of firstborn,

Genesis 46:8

Now, these, are the names of the sons of Israel who came into Egypt - Jacob and his sons, - the firstborn of Jacob, Reuben:

Numbers 32:1-42

Now, much cattle, had come into the possession of the sons of Reuben and of the sons of Gad, an exceeding mighty number. And when they saw the land of Jazer and the land of Gilead, lo! the place, was a place for cattle.

Deuteronomy 5:21

Neither shalt thou covet thy neighbour's wife, - neither shalt thou desire thy neighbour's house, his field, or his servant, or his handmaid, his ox or his ass, or anything that is thy neighbour's.

Deuteronomy 33:6

Let Reuben live and not die, - Nor his men he easily counted.

1 Corinthians 5:1

On all hands, there is reported to be among you - fornication, and such fornication as this - which, not among the nations, is found , - as that one should have, his father's wife: -

James 1:6-8

But let him be asking in faith, nothing, doubting, for, he that doubteth, is like a wave of the sea, wind-driven and storm-tossed, -

2 Peter 2:14

Having, eyes, full of an adulteress, and that cannot rest from sin, enticing unstable souls, having, a heart trained in greed, - children of a curse, -

2 Peter 3:16

As also, in all letters, speaking in them concerning these things, - in which letters are some things, hard to be understood, which, the uninstructed and unstable, wrest, - as also the other scriptures, - unto their own destruction.

Treasury of Scripture Knowledge

Summary

Unstable as water, thou shalt not excel; because thou wentest up to thy father's bed; then defiledst thou it: he went up to my couch.

Thou shalt not excel

Bible References

Unstable

James 1:6
But let him be asking in faith, nothing, doubting, for, he that doubteth, is like a wave of the sea, wind-driven and storm-tossed, -
2 Peter 2:14
Having, eyes, full of an adulteress, and that cannot rest from sin, enticing unstable souls, having, a heart trained in greed, - children of a curse, -
2 Peter 3:16
As also, in all letters, speaking in them concerning these things, - in which letters are some things, hard to be understood, which, the uninstructed and unstable, wrest, - as also the other scriptures, - unto their own destruction.

Thou shalt not excel

Genesis 46:8
Now, these, are the names of the sons of Israel who came into Egypt - Jacob and his sons, - the firstborn of Jacob, Reuben:
Deuteronomy 33:6
Let Reuben live and not die, - Nor his men he easily counted.

Because

Genesis 35:22
And it came to pass while Israel inhabited that land, that Reuben went and lay with Bilhah his father's concubine; and Israel heard of it. And so the Sons of Israel came to be Twelve.
Deuteronomy 5:21
Neither shalt thou covet thy neighbour's wife, - neither shalt thou desire thy neighbour's house, his field, or his servant, or his handmaid, his ox or his ass, or anything that is thy neighbour's.
Deuteronomy 27:20
Cursed, be he that lieth with his father's wife, because he hath turned aside his father's coverlet. And all the people shall say - Amen.
1 Chronicles 5:1
And the sons of Reuben the firstborn of Israel, for, he, was the firstborn, but because he defiled the couch of his father, his birthright was given to the sons of Joseph son of Israel, - and he is not to be enrolled in the place of firstborn,
1 Corinthians 5:1
On all hands, there is reported to be among you - fornication, and such fornication as this - which, not among the nations, is found , - as that one should have, his father's wife: -

General references

Leviticus 18:8
The shame of thy father's wife, shalt thou not uncover, - thy father's shame, it is.
Numbers 1:20
And they were as followeth - The sons of Reuben, the firstborn of Israel, in their pedigrees - by their families, by their ancestral houses, in the counting of names, by their polls, every male, from twenty years old and upwards, every one able to go forth to war;
Deuteronomy 27:20
Cursed, be he that lieth with his father's wife, because he hath turned aside his father's coverlet. And all the people shall say - Amen.
Deuteronomy 33:6
Let Reuben live and not die, - Nor his men he easily counted.