1 John 2:21
You all know--But I am not writing to you because you do not know the Truth, but because you do know it, and because nothing false can come from the Truth.
2 Peter 1:12
I shall, therefore, always be ready to remind you of all this, even though you know it and are firmly established in the Truth that you now hold.
Romans 15:14-15
I am persuaded, my Brothers--yes, I Paul, with regard to you- that you are yourselves full of kindness, furnished with all Christian learning, and well able to give advice to one another.
Jude 1:5
Now I want to remind you--but you already know it all--that, though the Lord delivered the People from Egypt, yet he afterwards destroyed those who refused to believe in him;