Prayer is of transcendent importance. Prayer is the mightiest agent to advance God’s work. Praying hearts and hands only can do God’s work, Prayer succeeds when all else fails.
E. M. Bounds

1 Thessalonians 5:16-18 ESV
16 Rejoice always, 17 pray without ceasing, 18 give thanks in all circumstances; for this is the will of God in Christ Jesus for you.
1 Timothy 2:8 ESV
8 I desire then that in every place the men should pray, lifting holy hands without anger or quarreling
James 5:16 ESV
16 Therefore, confess your sins to one another and pray for one another, that you may be healed. The prayer of a righteous person has great power as it is working.
Colossians 4:2 ESV
2 Continue steadfastly in prayer, being watchful in it with thanksgiving.
Matthew 7:7-8 ESV
Ask, and It Will Be Given
7 “Ask, and it will be given to you; seek, and you will find; knock, and it will be opened to you. 8 For everyone who asks receives, and the one who seeks finds, and to the one who knocks it will be opened.