Matthew 7:7-8
"Ask, and it shall be given you; seek, and ye shall find; knock, and it shall be opened to you;
Philippians 4:6
Be anxious for nothing; but, in everything by prayer and supplication with thanksgiving, let your requests be made known to God:
Hebrews 4:16
Let us, therefore, come with boldness to the throne of grace, that we may receive mercy, and find grace for seasonable help.
Hebrews 10:21-22
and, having a Great Priest over the house of God;
James 4:2-3
Ye desire, and have not; ye kill, and envy, and cannot obtain; ye fight, and war; ye have not, because ye ask not.
1 John 5:14
And this is the confidence which we have toward Him, that, if we ask anything according to His will, He heareth us;