Paul and Barnabas admonished the heathen to turn from “vanities unto the living God.” One cannot trust in the Lord and simultaneously trust in anything else. In order for an individual to be saved, he must repent of trusting in anything other than the Lord. One aspect of repentance involves ceasing to trust vanity and turning one’s faith toward the living and true God. This saving faith needs to become a living faith following salvation. Believers should consistently turn from “vain thoughts” and love the law of God (Psalm 119:113). They should turn from the vain labours that spend their strength for nought (Isaiah 49:4) and be “steadfast . . . in the work of the Lord” knowing that their “labour is not in vain in the Lord” (1 Corinthians 15:58). Additionally, believers should turn from “vain words” (Ephesians 5:6) and hold “forth the word of life” (Philippians 2:16).
On the surface, today’s passage does not offer a specific definition for the word hospitality, yet we are not left without clues. First of all, hospitality is something that is done “one to another.” This means that it is an action that should be done to other believers. It should also be done “without grudging.” Additional insight can be gleaned by considering hospitality’s root word, hospital. A basic definition for the word hospital involves a shelter for the needy or a place where the sick can recover. Thus, hospitality involves taking others in, even for a short time, to strengthen them in some area of need. Hospitality can be as simple as sharing a meal together or it may require more effort and time.