'Thankful' in the Bible

The one who is intent on the day is intent on [it] for the Lord, and the one who eats eats for the Lord, because he is thankful to God, and the one who does not eat does not eat for the Lord, and he is thankful to God.

who risked their own necks for my life, for which not only I am thankful, but also all the churches of the Gentiles;

And the peace of Christ must rule in your hearts, to which also you were called in one body, and be thankful.

{I am thankful} to God, whom I have served with a clear conscience {as my ancestors did}, when {I remember you constantly} in my prayers night and day,

Therefore, [since we] are receiving an unshakable kingdom, let us be thankful, through which let us serve God acceptably, with awe and reverence.