Lucas 1

that, as touching the matters which thou hadst been taught by word of mouth, thou mightest obtain full knowledge, of the certainty.

Para que conozcas la verdad de las cosas en las cuales has sido enseñado.

That thou mightest know the certainty of those things, wherein thou hast been instructed.

that you might know the certainty concerning the things in which you were instructed.