Isaiah 40:2-5

Speak tenderly to the heart of Jerusalem, and cry to her that her time of service and her warfare are ended, that [her punishment is accepted and] her iniquity is pardoned, that she has received [punishment] from the Lord's hand double for all her sins. A voice of one who cries: Prepare in the wilderness the way of the Lord [clear away the obstacles]; make straight and smooth in the desert a highway for our God! [Mark 1:3.] Every valley shall be lifted and filled up, and every mountain and hill shall be made low; and the crooked and uneven shall be made straight and level, and the rough places a plain. And the glory (majesty and splendor) of the Lord shall be revealed, and all flesh shall see it together; for the mouth of the Lord has spoken it. [Luke 3:5, 6.]