If you have vowed anything to God, you should not delay to repay it. And whatever you have vowed, render it. But an unfaithful and foolish promise displeases him.
Do not work for food that perishes, but for that which endures to eternal life, which the Son of man will give to you. For God the Father has sealed him."
And being at the same time also idle, they learn to go from house to house, being not only idle, but also talkative and curious, speaking of things which do not concern them.