1 John 2:21
I wrote to you not because ye know not the truth, but because ye know it, and because no lie is of the truth.
2 Peter 1:12
Therefore I will not neglect to always remind you about these things, although having known them, and having been established in the present truth.
Proverbs 1:5
that the wise man may hear, and increase in learning, and that the man of understanding may attain to sound counsels,
Proverbs 9:8-9
Reprove not a scoffer, lest he hate thee. Reprove a wise man, and he will love thee.
Romans 15:14-15
And I also myself am persuaded about you, my brothers, that ye yourselves are also full of goodness, filled with all knowledge, able also to admonish others.
Jude 1:5
Now I want to remind you, ye having known this once, that the Lord, having saved a people out of the land of Egypt, afterward destroyed those who did not believe.