Moses and Eleazar the kohen received the gold from the commanders of thousands and of hundreds and brought it into the Tent of Meeting as a memorial for Bnei-Yisrael before Adonai.
Fasten the two stones upon the shoulder pieces of the ephod, to be memorial stones for Bnei-Yisrael. So Aaron is to bear their names before Adonai on his two shoulders as a reminder.
You are to take the atonement money from Bnei-Yisrael and give it for the service of the Tent of Meeting, so that it may be a memorial for Bnei-Yisrael before Adonai, to make atonement for your souls.”
just as Adonai had spoken to him by Moses’ hand, so that it would be as a reminder to Bnei-Yisrael that no one who was not a descendant of Aaron should burn incense before Adonai, and so no one would become like Korah and his following.
And when He had taken matzah and offered the bracha, He broke it and gave it to them, saying, “This is My body, given for you. Do this in memory of Me.”
He stared at him in terror and said, “What is it, Lord?” The angel said to him, “Your prayers and tzadakah have gone up as a memorial offering before God.
then you will say to them: ‘Because the waters of the Jordan were cut off before the ark of the covenant of Adonai—when it crossed the Jordan—the waters of the Jordan were cut off.’ So these stones will be a reminder to Bnei-Yisrael forever.”