1 John 2:21

I have not written to you because you do not know the truth, but because you do know it, and because no lie is of the truth.

2 Peter 1:12

Therefore, I will always be ready to remind you of these things, even though you already know them, and have been established in the truth which is present with you.

Proverbs 1:5

A wise man will hear and increase in learning,
And a man of understanding will acquire wise counsel,

Proverbs 9:8-9

Do not reprove a scoffer, or he will hate you,
Reprove a wise man and he will love you.

Romans 15:14-15

And concerning you, my brethren, I myself also am convinced that you yourselves are full of goodness, filled with all knowledge and able also to admonish one another.

Jude 1:5

Now I desire to remind you, though you know all things once for all, that the Lord, after saving a people out of the land of Egypt, subsequently destroyed those who did not believe.

Treasury of Scripture Knowledge

Summary

1 John 2:21

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.

Because ye know not

General references

Proverbs 9:9

Isaiah 32:3

John 10:5

Bible References

Because ye know not

A wise man will hear and increase in learning,
And a man of understanding will acquire wise counsel,

Do not reprove a scoffer, or he will hate you,

Reprove a wise man and he will love you.

And concerning you, my brethren, I myself also am convinced that you yourselves are full of goodness, filled with all knowledge and able also to admonish one another.

Therefore, I will always be ready to remind you of these things, even though you already know them, and have been established in the truth which is present with you.

General references

Give instruction to a wise man and he will be still wiser,
Teach a righteous man and he will increase his learning.

Then the eyes of those who see will not be blinded,
And the ears of those who hear will listen.

A stranger they simply will not follow, but will flee from him, because they do not know the voice of strangers.”