Psalms 147:2 Halakhah

בּוֹנֵ֣ה יְרוּשָׁלִַ֣ם יְהוָ֑ה נִדְחֵ֖י יִשְׂרָאֵ֣ל יְכַנֵּֽס׃

The LORD doth build up Jerusalem, He gathereth together the dispersed of Israel;