Joel 3:18

3:18 The final scene of the drama is one of paradisal prosperity and blessing (cf. 2:19–26).

fountain shall come forth. The temple itself will be the source of a life-giving stream (Ezek. 47:1–12; Ps. 46:4; Rev. 22:1, 2), which will water even the dry and barren valley where acacia trees grow.