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 careful for nothing, but in every thing 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 receive mercy and find grace to help in time of need.
Hebrews 10:21-22
that is, his flesh, And having an high-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; yet ye have not, because ye ask not.
1 John 5:14
And this is the confidence which we have in him, that if we ask any thing according to his will, he heareth us.