ARISTOTLE ENLIGHTENED QUOTE PEN - "Knowing Yourself Is The Beginning of All Wisdom." - Engraved Eco-Friendly Bamboo Pen Aristotle enlightened quote pen, engraved with his famous inspirational quote, "KNOWING YOURSELF IS THE BEGINNING OF ALL WISDOM." Made from eco-friendly, tree free bamboo! Pen size: 5.5" long; Twist action ballpoint with black ink Due to variations in the natural bamboo materials, each piece is unique; Exact shade of the bamboo & engraving varies slightly