"Do not be anxious about anything, but in everything by prayer and supplication with thanksgiving let your requests be made known to God"
Philippians 4:6

"Therefore I tell you, whatever you ask in prayer, believe that you have received it, and it will be yours."
Mark 11:24

"Likewise the Spirit helps us in our weakness. For we do not know what to pray for as we ought, but the Spirit himself intercedes for us with groanings too deep for words."
Romans 8:26

"But when you pray, go into your room and shut the door and pray to your Father who is in secret. And your Father who sees in secret will reward you."
Matthew 6:6

"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."
James 5:16

"Watch and pray that you may not enter into temptation. The spirit indeed is willing, but the flesh is weak.”
Matthew 26:41

"Continue steadfastly in prayer, being watchful in it with thanksgiving."
Colossians 4:2

"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