1 Kings 19:14

He said, "I have been very zealous for Yahweh the God of Hosts, for the {Israelites} have forsaken your covenant, demolished your altars, and killed your prophets with the sword; I alone am left, and they seek to take my life!"

Deuteronomy 29:25

And they will say, '[It is] because they abandoned the covenant of Yahweh, the God of their ancestors, which he {made} with them {when he brought them out} from the land of Egypt.

Deuteronomy 31:20

For when I bring them into the land that I swore to their ancestors, a land flowing with milk and honey, {they will eat their fill}, and they will become fat, and [then] they will turn to other gods, and they will serve them, and they will spurn me, and they will break my covenant.

1 Kings 19:9-10

He came to the cave there and spent the night there. Suddenly the [word] of Yahweh came to him and asked him, "{Elijah, what are you doing here}?"

Psalm 78:37

For their heart was not steadfast with him, nor were they faithful to his covenant.

Isaiah 1:4

Ah, sinful nation, a people heavy [with] iniquity, offspring of evildoers, children who deal corruptly. They have forsaken Yahweh; they have despised the holy one of Israel. They are estranged [and gone] backward.

Isaiah 62:1

For the sake of Zion I will not be silent, and for the sake of Jerusalem I will not maintain a quiet attitude, until her righteousness goes out like the bright light, and her salvation burns like a torch.

Isaiah 62:6-7

I have appointed watchmen upon your walls, Jerusalem; all day and all night they shall never be silent. You who profess Yahweh have no rest.

Jeremiah 22:9

Then they will answer, 'Because they abandoned the covenant of Yahweh their God, and bowed down in worship to other gods, and served them.'"

Daniel 11:30

And [the] ships of Kittim will come against him, and he will lose heart, and he will turn back, and he will be enraged {against the holy covenant}, and he will take action, and he will turn back, and he will pay attention to [those who] forsake {the holy covenant}.

Hosea 6:7

But like Adam, they transgressed [the] covenant; there they dealt faithlessly with me.

Hebrews 8:9

not like the covenant which I made with their fathers on the day I took hold of them by my hand to lead them out of the land of Egypt, because they did not continue in my covenant and I disregarded them, says the Lord.

Treasury of Scripture Knowledge

Summary

And he said, I have been very jealous for the LORD God of hosts: because the children of Israel have forsaken thy covenant, thrown down thine altars, and slain thy prophets with the sword; and I, even I only, am left; and they seek my life, to take it away.

Bible References

I have been

1 Kings 19:9
He came to the cave there and spent the night there. Suddenly the [word] of Yahweh came to him and asked him, "{Elijah, what are you doing here}?"
Isaiah 62:1
For the sake of Zion I will not be silent, and for the sake of Jerusalem I will not maintain a quiet attitude, until her righteousness goes out like the bright light, and her salvation burns like a torch.

Forsaken

Deuteronomy 29:25
And they will say, '[It is] because they abandoned the covenant of Yahweh, the God of their ancestors, which he {made} with them {when he brought them out} from the land of Egypt.
Deuteronomy 31:20
For when I bring them into the land that I swore to their ancestors, a land flowing with milk and honey, {they will eat their fill}, and they will become fat, and [then] they will turn to other gods, and they will serve them, and they will spurn me, and they will break my covenant.
Psalm 78:37
For their heart was not steadfast with him, nor were they faithful to his covenant.
Isaiah 1:4
Ah, sinful nation, a people heavy [with] iniquity, offspring of evildoers, children who deal corruptly. They have forsaken Yahweh; they have despised the holy one of Israel. They are estranged [and gone] backward.
Jeremiah 22:9
Then they will answer, 'Because they abandoned the covenant of Yahweh their God, and bowed down in worship to other gods, and served them.'"
Daniel 11:30
And [the] ships of Kittim will come against him, and he will lose heart, and he will turn back, and he will be enraged {against the holy covenant}, and he will take action, and he will turn back, and he will pay attention to [those who] forsake {the holy covenant}.
Hosea 6:7
But like Adam, they transgressed [the] covenant; there they dealt faithlessly with me.
Hebrews 8:9
not like the covenant which I made with their fathers on the day I took hold of them by my hand to lead them out of the land of Egypt, because they did not continue in my covenant and I disregarded them, says the Lord.