4. “That thou mayest know,” become thoroughly convinced of, “the verity,” the secure ground of your belief (ασφαλειαν, security) in. “Of those words.” In those things. “Word” is a term commonly used by the Hebrews to denote any event or thing. “Instructed”—κατηχηθης—catechised, instructed orally, or by word of mouth. It was by means of oral, catechetical instruction Theophilus was first brought to embrace the faith. St. Luke deems it right to leave a written record, under the influence of inspiration,