He would lead them out from among the peoples where they had gone and bring them back to their own land (cf. Ezekiel 34:4-6). He would nourish them on the mountains, beside the streams, and in the best (inhabited) places of the land (cf. Psalm 23:1; John 4; John 6:31-35). They would enjoy good pasture and would experience rest in good grazing ground, the richest pasture in the land. [source][source][source]
"If the scattering were literal, and no one is foolhardy as to deny this, then the regathering must be equally so." [1][source]