Reference for Exodus 25:15

בְּטַבְּעֹת֙ הָאָרֹ֔ן יִהְי֖וּ הַבַּדִּ֑ים לֹ֥א יָסֻ֖רוּ מִמֶּֽנּוּ׃

The staves shall be in the rings of the ark; they shall not be taken from it.

BDB

BDB