Luke 8:10 (NIV)
10He said, “The knowledge of the secrets of the kingdom of God has been given to you, but to others I speak in parables, so that, ” ‘though seeing, they may not see; though hearing, they may not understand.’
Luke 11:9-10 (NIV)
9“So I say to you: Ask and it will be given to you; seek and you will find; knock and the door will be opened to you.
10For everyone who asks receives; he who seeks finds; and to him who knocks, the door will be opened.