20 So when the disciples saw it, they marveled, saying, "How soon the fig tree is withered away!"
Matthew 21:20 Cross References - TKJU
Isaiah 40:6-8
6 The voice said, "Cry." And he said, "What shall I cry? All flesh is grass, and all its goodliness is as the flower of the field:
7 The grass withers, the flower fades: Because the Spirit of the LORD blows upon it: Surely the people are grass.
8 The grass withers, the flower fades: But the word of our God shall stand forever."