Matthew 13:35
that it might be fulfilled which was spoken by the prophet, saying, I will open my mouth in parables, I will bring forth things hid from the foundation of the world.
Matthew 13:11-15
And he answered and said unto them, Because to you it is given to know the mysteries of the kingdom of heaven, but to them it is not given.
Luke 12:3
Wherefore whatsoever things ye have spoken in darkness, they shall be reported in the light; and what ye have whispered into the ear in the closets, shall be proclaimed on the house-tops.
2 Corinthians 3:12
Having therefore such a hope, we use much freedom of speech.