Mark 4:11
And he said: "To you the hidden truth of the Kingdom of God has been imparted; but to those who are outside it all teaching takes the form of parables, that--
Mark 4:34
And to them he never used to speak except in parables; but in private to his own disciples he explained everything.
John 15:15
I no longer call you 'servants,' because a servant does not know what his master is doing; but I have given you the name of 'friends,' because I made known to you everything that I learned from my Father.
Colossians 2:3
Even Christ himself, in whom all treasures of wisdom and knowledge lie hidden.
Hebrews 4:12
God's Message is a living and active power, sharper than any two-edged sword, piercing its way till it penetrates soul and spirit--not the joints only but the very marrow--and detecting the inmost thoughts and purposes of the mind.
James 1:5
If one of you is deficient in wisdom, let him ask wisdom from the God who gives freely to every one without reproaches, and it will be given to him.