Philippians 4:6

Do not be anxious about anything, but in everything by prayer and supplication with thanksgiving let your requests be made known to God.

1 Thessalonians 5:17-18

pray without ceasing,

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
Do not be anxious about anything, but in everything by prayer and supplication with thanksgiving let your requests be made known to God.
1 Thessalonians 5:17
pray without ceasing,