Midrash for Genesis 37:28

“Like the tents of Kedar,” just as the tents of Kedar appear externally to be ugly, black, and in tatters, but internally they are gems and pearls, so too Torah scholars, even though they appear ugly and black in this world, internally there is Torah in them, Bible, Mishna, Midrash, halakhot, Talmud, Tosefta, and aggada. If so, just as tents of Kedar do not require laundering, perhaps the same is true of Israel; the verse states: “Like the curtains of Solomon”—just as these curtains of Solomon are soiled and laundered, and are again soiled and laundered, so, too, Israel, even though they are soiled with sins all the days of the year, Yom Kippur arrives and atones for them, as it is stated: “For on this day He will atone for you” (Leviticus 16:30), and it is written: “If your sins will be like scarlet, they will be whitened as snow; if they will be reddened like crimson, they will be like wool” (Isaiah 1:18).
If so, just as the tents of Kedar are moved from place to place, perhaps the same is true of Israel. The verse states: “Like the curtains of Solomon [Shelomo],” like the curtains¹⁹⁷The heavens. of the One [of Whom it may be stated] that the peace is His, the One Who spoke and the world came into being, that from the moment He spread them, they did not move from their place. Rabbi Eliezer ben Yaakov taught: “A tent that will not be displaced [yatzan]” (Isaiah 33:20); it will not emerge [yetze] and will not move [yanua].¹⁹⁸Yatzan is an acronym of yetze and yanua.
Just as the tents of Kedar are not subject to the yoke of any creature,¹⁹⁹The reference is to nomads who live in the wilderness. so too, Israel, in the future, will not be subject to the yoke of any creature. Rabbi Ḥiyya taught: “I led you upright” (Leviticus 26:13); with an upright stature, without fear of any creature.²⁰⁰Although the verse cited is stated regarding the exodus from Egypt, it is understood as also alluding to the future redemption. Rabbi Yudan said: Like Joseph; just as Joseph was sold to the tents of Kedar, as it is stated: “They sold Joseph to the Ishmaelites… [and they brought Joseph to Egypt]” (Genesis 37:28), and he then purchased his purchasers, as it is stated: “Joseph purchased all the land of Egypt” (Genesis 47:20), so too Israel: “They will be captors of their captors” (Isaiah 14:2).

(Exod. 30:13:) A HALF SHEKEL. R. Judah and R. Nehemiah differ. R. Judah says: Because (in the matter of the calf) they sinned in the middle of the day, they would give the half shekel. But R. Nehemiah said: Because they sinned for six hours in the day, they would give the half shekel,²²ySheq. 2:4 or 3 (46d); see Tanh., Exod. 9:10. See also below, Exod. 9:13. since it consists of six grammata.²³The Greek word (gramma in the singular) denotes a small weight of 1/24 ounce. R. Judah bar Nehemiah said in the name of R. Johanan ben Zakkay: Because Israel transgressed (rt.: 'BR) the Ten Commandments, they would give ten gerahs.²⁴Cf. Exod. 30:13 = Numb. 3:47: THE SHEKEL IS TWENTY GERAHS. Similarly Lev. 27:25; Numb. 18:16; Ezek. 45:12. R. Berekhyah said in the name of Resh Laqish: You sold Rachel's first-born for twenty <pieces of> silver (according to Gen. 37:28); therefore, in the case of every first-born that you shall have, his redemption shall be five shekels of silver, as stated (in Numb. 3:47): YOU SHALL TAKE FIVE <SHEKELS> EACH.

And he sent Judah before him (Gen. 46:28). Scripture states elsewhere: Behold, I send My messenger, and he shall clear the way before Me (Mal. 3:1). Observe that every misfortune that occurred to Joseph likewise befell Zion. It is written of Joseph: and Israel loved Joseph more than all his children (Gen. 38:3), and of Zion it is written: God loves the gates of Zion (Ps. 87:2). Concerning Joseph it is stated: And they hated him (Gen. 37:8), and about Zion: She hath uttered her voice against Me, therefore I have hated her (Jer. 12:8). With reference to Joseph it is said: For behold, we are binding sheaves (Gen. 37:7), and in regard to Zion: Ye shall come home with song, bearing sheaves (Ps. 126:6). It is written of Joseph: Shalt thou indeed rule over us? (Gen. 36:8), and of Zion: That sayeth unto Zion: “Thy God reigneth” (Isa. 52:7). Joseph: And Joseph dreamed a dream (Gen. 37:5), and Zion: When the Lord brought back those that returned to Zion, we were like unto them that dream (Ps. 126:1). Joseph: Shall I and thy mother and thy brethren indeed come to bow down to thee? (Gen. 37:10), Zion: They shall bow down to thee with their face to the earth (Isa. 49:23). Joseph: And his brothers envied him (Gen. 37:11), Zion: I am jealous of Zion with great jealousy (Zech. 8:2). Joseph: Go now, see whether it is well with thy brethren (Gen. 37:14), Zion: Seek the peace of the city (Jer. 29:7). Joseph: They saw him from afar off (Gen. 37:18), Zion: Remember the Lord from afar off (Jer. 51:50). Joseph: And before he came near unto them they conspired (Gen. 37:18), Zion: They hold crafty converse against the people (Ps. 83:4). Joseph: And they stripped Joseph of his coat (Gen. 37:23), Zion: They shall strip thee of thy clothes (Ezek. 23:26). Joseph: They took him and cast him into the pit (Gen. 37:24), Zion: They have cut off my life in the dungeon (Lam. 3:53). Joseph: And the pit was empty (Gen. 37:24), Zion: And in the pit there was no water (Jer. 38:6). Joseph: And they sat down to eat bread (Gen. 37:25), Zion: We have given the hand to Egypt, and to Assyria, to have bread enough (Lam. 5:6). Joseph: And they drew near and lifted up Joseph (Gen. 37:28), Zion: Ebed-Melech the Cushite drew him up (Jer. 38:13). Joseph: And Jacob rent his garments (Gen. 37:34), Zion: And in that day did the Lord, the God of hosts, call to the weeping (Isa. 22:12). Joseph: All his sons and all his daughters rose to comfort him (Gen. 37:35), Zion: Strain not to comfort me (Isa. 22:4). Joseph: And the Midianites sold him into Egypt (Gen. 37:36), Zion: The children also of Jerusalem have ye sold unto the sons of the Jevanim (Joel 4:6).