Matthew 13:11-12

He answered and said to them, Because to you it is given to know the mysteries of the kingdom of heaven; but to them it is not given.

John 6:45

It is written in the prophets, And they shall be all taught of God. Every man therefore that hath heard and learned of the Father, cometh to me.

John 7:17

If any man be willing to do his will, he shall know of the doctrine, whether it be of God, or whether I speak of myself.

1 Corinthians 2:14-15

But the natural man receiveth not the things of the Spirit; for they are foolishness to him: neither can he know them, because they are spiritually discerned.

James 1:5

If any of you want wisdom, let him ask of God, who giveth to all men liberally and upbraideth not, and it shall be given him.

Treasury of Scripture Knowledge

Summary

They are all plain to him that understandeth, and right to them that find knowledge.

Bible References

General references

Matthew 13:11
He answered and said to them, Because to you it is given to know the mysteries of the kingdom of heaven; but to them it is not given.
John 6:45
It is written in the prophets, And they shall be all taught of God. Every man therefore that hath heard and learned of the Father, cometh to me.
John 7:17
If any man be willing to do his will, he shall know of the doctrine, whether it be of God, or whether I speak of myself.
1 Corinthians 2:14
But the natural man receiveth not the things of the Spirit; for they are foolishness to him: neither can he know them, because they are spiritually discerned.
James 1:5
If any of you want wisdom, let him ask of God, who giveth to all men liberally and upbraideth not, and it shall be given him.