Isaiah 40:4

Every valley shall be exalted, and every mountain and hill shall be made low. The uneven shall be made level, and the rough places a plain.

Isaiah 45:2

"I will go before you, and make the mountains level. I will break the doors of brass in pieces, and cut apart the bars of iron.

Ezekiel 21:26

thus says the Lord GOD: "Remove the turban, and take off the crown; this shall be no more the same; exalt that which is low, and abase that which is high."

Luke 3:5

Every valley will be filled. Every mountain and hill will be brought low. The crooked will become straight, and the rough ways smooth.

1 Samuel 2:8

He raises up the poor out of the dust. He lifts up the needy from the dunghill, To make them sit with princes, and inherit the throne of glory. For the pillars of the earth are the LORD's. He has set the world on them.

Job 40:11-13

Pour out the fury of your anger. Look at everyone who is proud, and bring him low.

Psalm 113:7-8

He raises up the poor out of the dust. Lifts up the needy from the ash heap;

Isaiah 2:12-15

For there will be a day of the LORD of hosts for all that is proud and haughty, and for all that is lifted up; and it shall be brought low:

Isaiah 42:11

Let the desert and its cities cry out, with the villages that Kedar inhabits. Let the inhabitants of Sela sing. Let them shout from the top of the mountains.

Isaiah 42:15-16

I will destroy mountains and hills, and dry up all their herbs. I will make the rivers islands, and will dry up the pools.

Ezekiel 17:24

All the trees of the field shall know that I, the LORD, have brought down the high tree, have exalted the low tree, have dried up the green tree, and have made the dry tree to flourish; I, the LORD, have spoken and have done it.'"

Luke 1:52-53

He has put down princes from their thrones. And has exalted the lowly.

Luke 18:14

I tell you, this man went down to his house justified rather than the other; for everyone who exalts himself will be humbled, but he who humbles himself will be exalted."

Proverbs 2:15

who are crooked in their ways, and wayward in their paths:

Treasury of Scripture Knowledge

Summary

Every valley shall be exalted, and every mountain and hill shall be made low: and the crooked shall be made straight, and the rough places plain:

Every mountain

Bible References

Valley

Isaiah 42:11
Let the desert and its cities cry out, with the villages that Kedar inhabits. Let the inhabitants of Sela sing. Let them shout from the top of the mountains.
1 Samuel 2:8
He raises up the poor out of the dust. He lifts up the needy from the dunghill, To make them sit with princes, and inherit the throne of glory. For the pillars of the earth are the LORD's. He has set the world on them.
Psalm 113:7
He raises up the poor out of the dust. Lifts up the needy from the ash heap;
Ezekiel 17:24
All the trees of the field shall know that I, the LORD, have brought down the high tree, have exalted the low tree, have dried up the green tree, and have made the dry tree to flourish; I, the LORD, have spoken and have done it.'"
Ezekiel 21:26
thus says the Lord GOD: "Remove the turban, and take off the crown; this shall be no more the same; exalt that which is low, and abase that which is high."
Luke 1:52
He has put down princes from their thrones. And has exalted the lowly.
Luke 3:5
Every valley will be filled. Every mountain and hill will be brought low. The crooked will become straight, and the rough ways smooth.
Luke 18:14
I tell you, this man went down to his house justified rather than the other; for everyone who exalts himself will be humbled, but he who humbles himself will be exalted."

Every mountain

Isaiah 2:12
For there will be a day of the LORD of hosts for all that is proud and haughty, and for all that is lifted up; and it shall be brought low:
Job 40:11
Pour out the fury of your anger. Look at everyone who is proud, and bring him low.

And the

Isaiah 42:16
I will bring the blind by a way that they do not know. I will lead them in paths that they do not know. I will make darkness light before them, and crooked places straight. I will do these things, and I will not forsake them.
Isaiah 45:2
"I will go before you, and make the mountains level. I will break the doors of brass in pieces, and cut apart the bars of iron.
Proverbs 2:15
who are crooked in their ways, and wayward in their paths:

General references

Isaiah 2:14
For all the high mountains, for all the hills that are lifted up,
Isaiah 19:23
In that day there will be a highway out of Egypt to Assyria, and the Assyrian shall come into Egypt, and the Egyptian into Assyria; and the Egyptians will worship with the Assyrians.
Isaiah 49:11
I will make all my mountains a way, and my highways shall be exalted.
Mark 1:3
The voice of one crying in the wilderness, 'Make ready the way of the Lord. Make his paths straight.'"
Luke 1:16
He will turn many of the sons of Israel to the Lord, their God.