1 John 2:21

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

2 Peter 1:12

Wherefore I will not be negligent continually to remind you of these things, though ye know them, and are established in the present truth.

Romans 15:14-15

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

Jude 1:5

But I would remind you, though ye once knew this, that the Lord, though he delivered the people out of the land of Egypt, afterwards destroyed those who believed not.

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.

Because ye know not

General references

Bible References

Because ye know not

Romans 15:14
And I myself also am persuaded of you, my brethren, that ye yourselves are full of goodness, filled with all knowledge, and able to admonish one another.
2 Peter 1:12
Wherefore I will not be negligent continually to remind you of these things, though ye know them, and are established in the present truth.

General references

John 10:5
And a stranger will they not follow, but will fly from him: for they know not the voice of strangers.