出埃及记 17:10

¹⁰ 於是约书亚照着摩西对他所说的话行，和亚玛力人争战。摩西、亚伦，与户珥都上了山顶。

Uncover and grind meal

'To uncover' signifies adulterating the goods of the Word, and 'to grind meal' signifies falsifying its truths.