'Remembrance' in the Bible
The Lord said to Moses, "Write this as a memorial in the book, and rehearse it in Joshua's hearing; for I will surely wipe out the remembrance of Amalek from under heaven.
then the man must bring his wife to the priest, and he must bring the offering required for her, one tenth of an ephah of barley meal; he must not pour olive oil on it or put frankincense on it, because it is a grain offering of suspicion, a grain offering for remembering, for bringing iniquity to remembrance.
These days were to be remembered and to be celebrated in every generation and in every family, every province, and every city. The Jews were not to fail to observe these days of Purim; the remembrance of them was not to cease among their descendants.
"I will rise up against them," says the Lord who commands armies. "I will blot out all remembrance of Babylon and destroy all her people, including the offspring she produces," says the Lord.