Philippians 4:6

Never be anxious, but always make your requests known to God in prayer and supplication with thanksgiving;

1 Thessalonians 5:17-18

never give up prayer,

Treasury of Scripture Knowledge

Summary

And Mattaniah the son of Micha, the son of Zabdi, the son of Asaph, was the principal to begin the thanksgiving in prayer: and Bakbukiah the second among his brethren, and Abda the son of Shammua, the son of Galal, the son of Jeduthun.

Bible References

Thanksgiving

Philippians 4:6
Never be anxious, but always make your requests known to God in prayer and supplication with thanksgiving;
1 Thessalonians 5:17
never give up prayer,