"Be anxious for nothing, but in everything by prayer and supplication with thanksgiving let your requests be made known to God."
--Philippians 4:6
"Rejoice always, pray without ceasing, give thanks in all circumstances; for this is the will of God in Christ Jesus for you."
--1 Thessalonians 5:16-18
Devote yourselves to prayer, keeping alert in it with an attitude of thanksgiving.
-- Colossians 4:2
The effective, fervent prayer of a righteous man avails much. -- James 5:16b (NKJV)
For the eyes of the Lord are on the righteous, and His ears are open to their prayers...
-- 1 Peter 3:12