Matthew 7:7-8
Ask, and it will be given you; seek, and ye will find; knock, and the door will be opened to you.
Philippians 4:6
Be anxious about 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 boldly to the throne of grace, that we may obtain mercy, and find grace to help in time of need.
Hebrews 10:21-22
and having a great priest over the house of God,
James 4:2-3
Ye lust, and have not; ye kill, and earnestly covet, 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;