Even without his robes an arahant is recognized simply by the effect his metta has in a crowd.
source: Tim Ward (2013). “What the Buddha Never Taught: A 'Behind the Robes" Account of Life in a Thai Forest Monastery”, p.207, Changemakers Books

source: Sharon Salzberg (2008). “Lovingkindness”, p.22, Shambhala Publications
topic: Flower, Metta, Loving Kindness, Lovingkindness, Loveliness
source: Sharon Salzberg (2008). “Lovingkindness”, p.26, Shambhala Publications
topic: Practice, Our Relationship, Metta
source: Sharon Salzberg (2002). “Lovingkindness: The Revolutionary Art of Happiness”, p.27, Shambhala Publications
topic: Letting Go, Old Habits, Meditation, Moralizing, Metta
source: Sharon Salzberg (2008). “Lovingkindness”, p.27, Shambhala Publications
topic: Integrity, Meditation, Mind, Metta