What does the Bible say about prayer?
Matthew 26:41 Watch and pray, lest you enter into temptation. The spirit indeed is willing, but the flesh is weak.”
Philippians 4:6-8 Be anxious for nothing, but in everything by prayer and supplication, with thanksgiving, let your requests be made known to God; 7 and the peace of God, which surpasses all understanding, will guard your hearts and minds through Christ Jesus. 8 Finally, brethren, whatever things are true, whatever things are noble, whatever things are just, whatever things are pure, whatever things are lovely, whatever things are of good report, if there is any virtue and if there is anything praiseworthy—meditate on these things.
1 Thessalonians 5:16 16 Rejoice always, 17 pray without ceasing, 18 in everything give thanks; for this is the will of God in Christ Jesus for you.
Colossians 4:2 Continue earnestly in prayer, being vigilant in it with thanksgiving;
James 5:16 Confess your trespasses to one another, and pray for one another, that you may be healed. The effective, fervent prayer of a righteous man avails much.
1 Peter 4:7 But the end of all things is at hand; therefore be serious and watchful in your prayers.
What the Bible says about hindered prayers.
Your prayers can be hindered if we grieve the Holy Spirit in the way which we live that is if we are holding onto sin. Be careful in your walk with the Lord.
Psalm 66:18 If I had not confessed the sin in my heart, the Lord would not have listened.
Isaiah 59:2 It’s your sins that have cut you off from God. Because of your sins, he has turned away and will not listen anymore.
What does the Bible say about the Solution? : Repent and seek forgiveness
1 John 1:9 If we confess our sins, He is faithful and just to forgive us our sins and to cleanse us from all unrighteousness.