1 John 2:21

I did not write to you because ye have not known the truth, but because ye have known it, and because no lie is of the truth.

2 Peter 1:12

Wherefore, I will not be careless always to remind you concerning these things, though, having known them, and having been established in the present truth,

Proverbs 1:5

(The wise doth hear and increaseth learning, And the intelligent doth obtain counsels.)

Proverbs 9:8-9

Reprove not a scorner, lest he hate thee, Give reproof to the wise, and he loveth thee.

Romans 15:14-15

And I am persuaded, my brethren -- I myself also -- concerning you, that ye yourselves also are full of goodness, having been filled with all knowledge, able also one another to admonish;

Jude 1:5

and to remind you I intend, you knowing once this, that the Lord, a people out of the land of Egypt having saved, again those who did not believe did destroy;

Treasury of Scripture Knowledge

Summary

I have not written unto you because ye know not the truth, but because ye know it, and that no lie is of the truth.

General references

Bible References

Because ye know not

Proverbs 1:5
(The wise doth hear and increaseth learning, And the intelligent doth obtain counsels.)
Proverbs 9:8
Reprove not a scorner, lest he hate thee, Give reproof to the wise, and he loveth thee.
Romans 15:14
And I am persuaded, my brethren -- I myself also -- concerning you, that ye yourselves also are full of goodness, having been filled with all knowledge, able also one another to admonish;
2 Peter 1:12
Wherefore, I will not be careless always to remind you concerning these things, though, having known them, and having been established in the present truth,

General references

Proverbs 9:9
Give to the wise, and he is wiser still, Make known to the righteous, And he increaseth learning.
Isaiah 32:3
And not dazzled are the eyes of beholders, And the ears of hearers do attend.
John 10:5
and a stranger they will not follow, but will flee from him, because they have not known the voice of strangers.'