Isaiah 40:4

4 Every valley will be raised. Every mountain and hill will be lowered. Steep places will be made level. Rough places will be made smooth.

Isaiah 40:4 Meaning and Commentary

Isaiah 40:4

Every valley shall be exalted, and every mountain and hill
shall be made low
Which is not to be understood literally, but, as Kimchi says, parabolically and mystically: the meaning is, that in consequence of John's ministry, and our Lord's coming, such who were depressed and bowed down with the guilt of sin, and were low and humble in their own eyes, should be raised up and comforted; and that such who were elated with themselves, and their own righteousness, should be humbled; their pride and haughtiness should be brought down, and they treated with neglect and contempt, while great notice was taken of lowly minded ones; see ( Luke 14:11 ) and ( Luke 18:14 ) : and the crooked shall be straight and the rough places plain;
what before was dark and intricate in prophecy should now become clear; and such doctrines as were not so well understood should now become plain and easy.

Isaiah 40:4 In-Context

2 "Speak tenderly to Jerusalem and announce to it that its time of hard labor is over and its wrongs have been paid for. It has received from the LORD double for all its sins."

3 A voice cries out in the desert: "Clear a way for the LORD. Make a straight highway in the wilderness for our God.

4 Every valley will be raised. Every mountain and hill will be lowered. Steep places will be made level. Rough places will be made smooth.

5 Then the LORD's glory will be revealed and all people will see it together. The LORD has spoken."

6 A voice called, "Call out!" I asked, "What should I call out?" "Call out: All people are like grass, and all their beauty is like a flower in the field.