Bible Verses About Thankfulness: Should always accompany prayer

Mattaniah son of Mica, the son of Zabdi, the son of Asaph, who led in thanksgiving and prayer; Bakbukiah, second among his associates; and Abda son of Shammua, the son of Galal, the son of Jeduthun.

Be anxious for nothing, but in everything, by prayer and petition, with thanksgiving, present your requests to God.

Devote yourselves to prayer, being watchful and thankful,