1 John 2:21

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

2 Peter 1:12

Therefore I will be about to always remind you concerning these things, even though knowing them, and being established in the present truth.

Romans 15:14-15

But I am indeed persuaded, my brethren, concerning you, that you are also full of goodness, having been filled with all knowledge, being able also to admonish one another.

Jude 1:5

But I wish you to remember, once having known all these things, that the Lord, having saved the people out of the land of Egypt, destroyed them that believed riot, the second time:

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

But I am indeed persuaded, my brethren, concerning you, that you are also full of goodness, having been filled with all knowledge, being able also to admonish one another.

Therefore I will be about to always remind you concerning these things, even though knowing them, and being established in the present truth.

General references

but they will not follow a stranger, but will flee from him: because they know not the voice of strangers.