King James Version
And I myself also am persuaded of you, my brethren, that ye also are full of goodness, filled with all knowledge, able also to admonish one another.English Standard Version
I myself am satisfied about you, my brothers, that you yourselves are full of goodness, filled with all knowledge and able to instruct one another.New International Version
I myself am convinced, my brothers, that you yourselves are full of goodness, complete in knowledge and competent to instruct one another.