Job 28:21
She is hid from the eyes of all men; yea, and from the fouls of the air.
Psalm 49:3-4
My mouth shall speak of wisdom, and my heart shall muse of understanding.
Matthew 11:25
At that time, Jesus answered and said, "I praise thee, O father, Lord of heaven and earth, because thou hast hid these things from the wise and prudent, and hast opened them unto babes,
Matthew 13:17
"Verily I say unto you, that many prophets and perfect men have desired to see those things which ye see, and have not seen them; and to hear those things which ye hear, and have not heard them.
Matthew 13:35
to fulfill that which was spoken by the prophet saying, "I will open my mouth in similitudes, and will speak forth things which have been kept secret from the beginning of the world."
1 Corinthians 2:7-10
but we speak the wisdom of God, which is in secret and lieth hid, which God ordained before the world unto our glory:
Colossians 2:3
in whom are hid all the treasures of wisdom and knowledge.