Matthew 11:25
And upon this occasion Jesus opened his mouth and said, "I thank thee, O Father, Lord of heaven and earth, that thou hast hid these things from the wise and knowing, and hast revealed them to babes:
Matthew 13:17
for indeed I tell you, that many prophets and righteous men have desired to see the things which ye see, and have not seen them; and to hear what ye hear, and have not heard them.
Matthew 13:35
that it might be fulfilled which was spoken by the prophet, saying, I will open my mouth in parables, I will publish things which have been concealed from the foundation of the world.
1 Corinthians 2:7-10
But we speak the wisdom of God in a mystery, that hidden wisdom which God ordained before the worlds for our glory:
Colossians 2:3
in whom are all the treasures of wisdom and knowledge.