Job 28:21
For it is hidden from the eyes of all living, and concealed from the fowl of the heavens.
Psalm 49:3-4
My mouth shall speak wisdom, and the meditation of my heart shall be of understanding:
Matthew 11:25
At that time, Jesus answering said, I praise thee, Father, Lord of the heaven and of the earth, that thou hast hid these things from the wise and prudent, and hast revealed them to babes.
Matthew 13:17
for verily I say unto you, that many prophets and righteous men have desired to see the things which ye behold and did not see them, and to hear the things which ye hear and did not hear them.
Matthew 13:35
so that that should be fulfilled which was spoken through the prophet, saying, I will open my mouth in parables; I will utter things hidden from the world's foundation.
1 Corinthians 2:7-10
But we speak God's wisdom in a mystery, that hidden wisdom which God had predetermined before the ages for our glory:
Colossians 2:3
in which are hid all the treasures of wisdom and of knowledge.