But if any widow has children or grandchildren, let them learn first to show piety towards their own family, and to repay their parents, for this is{TR adds "good and"} acceptable in the sight of God.
For this is acceptable in the sight of God ...  Despite the fact of this being stated positively, as an example of what pleases God, the negative is also true, namely, that failure to heed this injunction is not acceptable in the sight of God.