Prayer

Matt 6:6
But you, when you pray, go into your room, and when you have shut your door, pray to your Father who is in the secret place; and your Father who sees in secret will reward you openly.
NKJV

Mark 11:24
Therefore I say to you, whatever things you ask when you pray, believe that you receive them, and you will have them.
NKJV

Rom 8:26
Likewise the Spirit also helps in our weaknesses. For we do not know what we should pray for as we ought, but the Spirit Himself makes intercession for us with groaning which cannot be uttered.
NKJV

1 Cor 14:15
What is the conclusion then? I will pray with the spirit, and I will also pray with the understanding. I will sing with the spirit, and I will also sing with the understanding.
NKJV

1 Thess 5:16-18
Rejoice always, 17 pray without ceasing, 18 in everything give thanks; for this is the will of God in Christ Jesus for you.
NKJV

Eph 6:18
And pray in the Spirit on all occasions with all kinds of prayers and requests. With this in mind, be alert and always keep on praying for all the saints.
(NIV)

Phil 4:6-7
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.
NKJV

Col 4:2
Continue earnestly in prayer, being vigilant in it with thanksgiving;
NKJV

1 Tim 2:8
I want men everywhere to lift up holy hands in prayer, without anger or disputing.
NIV