ייִדישער מחשבֿה אויף תהילים 118:22

“the stone which the builders rejected has become the chief cornerstone” (Ps. 118:22) -- As noted in the Zohar (on Bamidbar), the verse refers to an aspect of Yosef. In gematria, the initials of this verse [ ] equal [161]. In his blessings to his children, Jacob said about Yosef: “from there he became the shepherd, the stone of Israel” [Gen. 49:24].