aPs. 18:30; 119:140; Prov. 30:5; [Ps. 19:8]
bSee Job 23:10

Psalms 12:6

6 aThe words of the Lord are pure words,
like silver refined in a furnace on the ground,
purified seven times.

Psalms 66:10

10For you, O God, have btested us;
you have tried us as silver is tried.
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