OT.filter - bes unsearchable:

bes@Job:9:10 @ Who does great and unsearchable things; glorious also and excellent things, innumerable.

bes@Job:34:24 @ For the Lord looks down upon all men, who comprehends unsearchable things, glorious also and excellent things without number.

bes@Proverbs:25:3 @ Heaven is high, and earth is deep, and a king’s heart is unsearchable.

bes@Bar:3:18 @ For they that wrought in silver, and were so careful, and whose works are unsearchable,

bes@PrMan:1:6 @ but thy merciful promise is unmeasurable and unsearchable;