Luke 3:5

every valley shall be raised, and every mountain and hill shall be lowered, and the crooked ways shall be made straight, and the rough ways smooth:

Luke 1:52-53

He hath cast down the mighty from their thrones, and exalted the humble.

Luke 18:14

I tell you, this man went down to his house justified rather than the other: for whoever exalteth himself shall be abased, but he that humbleth himself shall 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 hath cast down the mighty from their thrones, and exalted the humble.
Luke 3:5
every valley shall be raised, and every mountain and hill shall be lowered, and the crooked ways shall be made 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 whoever exalteth himself shall be abased, but he that humbleth himself shall be exalted.

General references

Mark 1:3
and again, "The voice of one crying in the wilderness, Prepare ye the way of the Lord, make his paths straight:" accordingly John came baptizing in the wilderness,
Luke 1:16
and many of the children of Israel shall he convert unto the Lord their God.