Matthew 7:7-8
"Ask, and it will be given to you; seek, and you will find; knock, and the door will be opened to you.
Philippians 4:6
Do not be over-anxious about anything, but by prayer and earnest pleading, together with thanksgiving, let your request be unreservedly made known in the presence of God.
Hebrews 4:16
Therefore let us come boldly to the throne of grace, that we may receive mercy and find grace to help us in our times of need.
Hebrews 10:21-22
and since we have a great Priest who has authority over the house of God,
James 4:2-3
You covet things and yet cannot get them; you commit murder; you have passionate desires and yet cannot gain your end; you begin to fight and make war. You have not, because you do not pray;
1 John 5:14
And we have an assured confidence that whenever we ask anything in accordance with His will, He listens to us.