Midras Yoel 2:26: Ein Yaakov (Glick Edition), Midrash Tehillim & Midrash Tanchuma

R. Simon b. Chalafta took leave of Rabbi, and the latter said to his son: "Go to him that he may bless you." R. Simon pronounced the following: "May it be the Will that thou shalt not cause shame to others and others shalt not cause shame unto thee." When he returned to his father he said: "He did not bless me, but only advised me." And his father replied: "Nay, it is a blessing; and it is the same, as the Holy One, praised be He! pronounced over Israel, as it is written (Joel 2, 26) And ye shall eat in plenty, etc., and My people shall not be ashamed unto eternity, etc. And ye shall know that I am in the midst of Israel, etc., and My people shall not cause shame unto eternity."

"They shall be ashamed and dismayed." The sages say that in the future, God will take the righteous and show them Gehenna (Hell) and the empty places within it, and say to them, "These places are empty for you. You have merited them by doing good deeds, and you will inherit Gan Eden (Paradise)." Similarly, the wicked will be taken and shown Gan Eden with empty places within it, and God will say to them, "These places are empty for you and your friends, but you have obligated yourselves with evil deeds, and you will inherit Gehenna." Rabbi Yehoshua ben Levi said that God does not curse the wicked except with shame. Furthermore, He multiplies their curse, as it is written, "They shall be ashamed and dismayed exceedingly." And when God blesses the righteous, He multiplies their blessings, as it says "No shame, no humiliation, ever again for those who keep my commands" (Isaiah 45:17), and "You shall eat abundantly and be satisfied, and you shall praise the name of the Lord your God, who has dealt wondrously with you" (Joel 2:26).

When R. Simeon the son of Halafta departed from Rabbi, the former said to his son: “Go to him that he may bless you.” He went and R. Simeon said: “May it be that you shall not cause others to be ashamed, and that others shall not make you ashamed.” Upon returning to his father, he declared: “He made some meaningless remark.” His father replied: “He blessed you with the blessing that the Holy One, blessed be He, bestowed upon Israel, as it is written: And ye shall eat in plenty and be satisfied, and My people shall never be ashamed. And ye shall know that I am in the midst of Israel … and My people shall never be ashamed (Joel 2:26–27). So may it be Thy will, amen.