Numbers 8:7 uses the same 'water of cleansing' ritual, directly linking to the purification process here.

Numbers 19:17 describes preparing the water of cleansing, which is the same purification method here.

Zechariah 13:9 explicitly uses fire to refine people as silver and gold, directly echoing the purification of metals in Numbers.

1 Corinthians 3:13 uses fire to test every man's work, mirroring the fire-testing of metals in Numbers.

1 Peter 1:7 uses fire to refine gold as a metaphor for tested faith, echoing the purifying fire of Numbers.

Isaiah 43:2 uses the same 'passing through fire' imagery as God's protective promise, contrasting the literal purification in Numbers.

Revelation 3:18 speaks of gold refined by fire, paralleling the concept of purification through fire.

1 Peter 4:12 calls fiery trials a test, similar to the purification by fire in Numbers.