Oecumenius : They called it the Way, the faith toward Christ our true God, which the apostles proclaimed; and rightly so. For through it we enter into the kingdom of the heavens, and not by any other. But in a truer sense one must hear the civic way, as in Isaiah: "Why have they deceived us from your way?" (Isa. 63:17) that is, the conduct according to you. Therefore here he called the Way the civic conduct according to Christ. And in other places where he mentions the Way, he means the proclamation according to Christ and the conduct according to him. Perhaps also they called them so to mock and vilify them. For they are accustomed to call a worthless man a man of the way. He did not seek authority there to punish them, but to lead them to Jerusalem, because with greater authority he wished to act in these matters. — Commentary on Acts Tertullian : He warned us, to be sure, at that time (for elsewhere our Discipline is called "the Way" ), that when, set in "the way" of prayer, we go not unto "the Father" with anger. — On Prayer