Ask Seek Knock Ceramic Plates and Wall Rack “Ask and it will be given you. Seek and you will find. Knock and it will be opened to you.” This well-known scripture verse, Matthew 7:7, is arranged on a set of three ceramic plates that can be displayed on the included metal 18″ high wall rack. Plates are 4 1/2″ diameter and for decorative use only; not food safe.