"Ask and it will be given to you; seek and you will find; knock and the door will be opened to you." (NIV)

Keep on asking and it will be given you; keep on seeking and you will find; keep on knocking [reverently] and [the door] will be opened to you. (AMP)

Ask, and it shall be given you; seek, and ye shall find; knock, and it shall be opened unto you: (KJV)