Luke 1:4
"That thou mightest know the certainty of those things, wherein thou hast been instructed."
Cross References (ranked by relevance)
But these are written, that ye might believe that Jesus is the Christ, the Son of God; and that believing ye might have life through his name.
This man was instructed in the way of the Lord; and being fervent in the spirit, he spake and taught diligently the things of the Lord, knowing only the baptism of John.
Let him that is taught in the word communicate unto him that teacheth in all good things.
Yet in the church I had rather speak five words with my understanding, that by my voice I might teach others also, than ten thousand words in an unknown tongue.
And knowest his will, and approvest the things that are more excellent, being instructed out of the law;