Matthew 13:11-12

And he answered and said to them, Because it is given to you 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 all shall be taught of God. Every one who has heard and learned of the Father comes to me.

John 7:17

If any one will do his will, he shall know of the teaching whether it is from God or whether I speak from myself.

1 Corinthians 2:14-15

But the natural man receives not the [things] of the Spirit of God, for they are foolishness to him, and he cannot know them, for they are spiritually discerned.

James 1:5

And if any one of you lacks wisdom, let him ask of God, who gives to all liberally and upbraids 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
And he answered and said to them, Because it is given to you 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 all shall be taught of God. Every one who has heard and learned of the Father comes to me.
John 7:17
If any one will do his will, he shall know of the teaching whether it is from God or whether I speak from myself.
1 Corinthians 2:14
But the natural man receives not the [things] of the Spirit of God, for they are foolishness to him, and he cannot know them, for they are spiritually discerned.
James 1:5
And if any one of you lacks wisdom, let him ask of God, who gives to all liberally and upbraids not, and it shall be given him.