Philippians 4:6

Do not be over-anxious about anything, but by prayer and earnest pleading, together with thanksgiving, let your request be unreservedly made known in the presence of God.

1 Thessalonians 5:17-18

Be unceasing in 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
Do not be over-anxious about anything, but by prayer and earnest pleading, together with thanksgiving, let your request be unreservedly made known in the presence of God.
1 Thessalonians 5:17
Be unceasing in prayer.