1 John 2:21

I am not writing to you because you do not know the truth, but because you do know it, and know that no lie has any connexion with the truth.

2 Peter 1:12

Hence I mean to keep on reminding you of this, although you are aware of it and are fixed in the Truth as it is;

Romans 15:14-15

Personally I am quite certain, my brothers, that even as it is you have ample goodness of heart, you are filled with knowledge of every kind, and you are well able to give advice to one another.

Jude 1:5

Now I want to remind you of what you are perfectly aware, that though the Lord once brought the People safe out of Egypt, he subsequently destroyed the unbelieving,

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

Romans 15:14

2 Peter 1:12

General references

John 10:5

Bible References

Because ye know not

Personally I am quite certain, my brothers, that even as it is you have ample goodness of heart, you are filled with knowledge of every kind, and you are well able to give advice to one another.

Hence I mean to keep on reminding you of this, although you are aware of it and are fixed in the Truth as it is;

General references

they will not follow a stranger, they will run from him, because they do not know the voice of strangers."