DOCENDO DISCIMUS – BY TEACHING WE LEARNA quote from Seneca, 1,000 years old, which still resonates today and makes a perfect gift for teachers. An idea developed by Seneca the Younger at the beginning of the 1st millennium. Many of us were fortunate to have a teacher whose depth of understanding, compassion and insight show the eternal truth of his wisdom. From a carving by Adam Grabski of a design by Edward Kelly. Dimensions: 8. 5 x 11. 5 inches (21. 5 x 29cm)