Ulangan 16:3

16:3 You must not eat any yeast with it; for seven days you must eat bread made without yeast, symbolic of affliction, for you came out of Egypt hurriedly. You must do this so you will remember for the rest of your life the day you came out of the land of Egypt.

Ulangan 29:18

29:18 Beware that the heart of no man, woman, clan, or tribe among you turns away from the Lord our God today to pursue and serve the gods of those nations; beware that there is among you no root producing poisonous and bitter fruit. ¹ 

Ulangan 31:7

31:7 Then Moses called out to Joshua ²  in the presence of all Israel, “Be strong and courageous, for you will accompany these people to the land that the Lord promised to give their ancestors, ³  and you will enable them to inherit it.

[29:18]  ¹ tn Heb “yielding fruit poisonous and wormwood.” The Hebrew noun לַעֲנָה (la’anah) literally means “wormwood” (so KJV, ASV, NAB, NASB), but is used figuratively for anything extremely bitter, thus here “fruit poisonous and bitter.”

[31:7]  ² tn The Hebrew text includes “and said to him.” This has not been included in the translation for stylistic reasons.

[31:7]  ³ tn Heb “fathers” (also in v. 20).