1 Corinthians 2:7 But we speak the wisdom of God in a mystery, the hidden wisdom which God ordained before the ages for our glory,
Matthew 13:10-11 And the disciples came and said to Him, “Why do You speak to them in parables?” He answered and said to them, "Because it has been given to you to know the mysteries of the kingdom of heaven, but to them it has not been given.
1 Corinthians 2:9-11 But as it is written: "Eye has not seen, nor ear heard, Nor have entered into the heart of man The things which God has prepared for those who love Him." But God has revealed them to us through His Spirit. For the Spirit searches all things, yes, the deep things of God. For what man knows the things of a man except the spirit of the man which is in him? Even so no one knows the things of God except the Spirit of God.
Ephesians 1:9 having made known to us the mystery of His will, according to His good pleasure which He purposed in Himself,
Colossians 1:26-27 the mystery which has been hidden from ages and from generations, but now has been revealed to His saints. To them God willed to make known what are the riches of the glory of this mystery among the Gentiles: which is Christ in you, the hope of glory.
Deuteronomy 29:29 “The secret things belong to the LORD our God, but those things which are revealed belong to us and to our children forever, that we may do all the words of this law.
Revelation 17:5 And on her forehead a name was written: MYSTERY, BABYLON THE GREAT, THE MOTHER OF HARLOTS AND OF THE ABOMINATIONS OF THE EARTH.