Luke 3:5

Every hollow must be filled up, And every mountain and hill leveled. What is crooked is to be made straight, And the rough roads are to be made smooth,

Luke 1:52-53

He has dethroned monarchs and exalted the poor,

Luke 18:14

I tell you, it was he who went back to his house with God's approval, and not the other. For everyone who exalts himself will be humbled, but the man who humbles himself will be exalted."

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:

General references

Bible References

Valley

Luke 1:52
He has dethroned monarchs and exalted the poor,
Luke 3:5
Every hollow must be filled up, And every mountain and hill leveled. What is crooked is to be made straight, And the rough roads are to be made smooth,
Luke 18:14
I tell you, it was he who went back to his house with God's approval, and not the other. For everyone who exalts himself will be humbled, but the man who humbles himself will be exalted."

General references

Mark 1:3
Hark! Someone is shouting in the desert, 'Get the Lord's way ready, Make his paths straight,' "
Luke 1:16
and he will turn many of Israel's descendants to the Lord their God.