Isaiah 40:4

4 Every valley is raised up, And every mountain and hill become low, And the crooked place hath become a plain, And the entangled places a valley.

Isaiah 40:4 In-Context

2 Speak to the heart of Jerusalem, and call to her, That her warfare hath been completed, That accepted hath been her punishment, That she hath received from the hand of Jehovah Double for all her sins.
3 A voice is crying -- in a wilderness -- Prepare ye the way of Jehovah, Make straight in a desert a highway to our God.
4 Every valley is raised up, And every mountain and hill become low, And the crooked place hath become a plain, And the entangled places a valley.
5 And revealed hath been the honour of Jehovah, And seen [it] have all flesh together, For the mouth of Jehovah hath spoken.
6 A voice is saying, `Call,' And he said, `What do I call?' All flesh [is] grass, and all its goodliness [is] As a flower of the field:
Young's Literal Translation is in the public domain.