heaven

Psalm 103:11
For as high as the heavens are above the earth, so great is His loving devotion for those who fear Him.

Isaiah 7:11
"Ask for a sign from the LORD your God, whether from the depths of Sheol or the heights of heaven."

Isaiah 55:9
"For as the heavens are higher than the earth, so My ways are higher than your ways and My thoughts than your thoughts.

Romans 8:39
neither height nor depth, nor anything else in all creation, will be able to separate us from the love of God that is in Christ Jesus our Lord.

is unsearchable

1 Kings 4:29
And God gave Solomon wisdom, exceedingly deep insight, and understanding beyond measure, like the sand on the seashore.

1 Peter 1:7
so that the authenticity of your faith--more precious than gold, which perishes even though refined by fire--may result in praise, glory, and honor at the revelation of Jesus Christ.