“One person, mendicants, arises in the world for the welfare and happiness of the people, out of compassion for the world, for the benefit, welfare, and happiness of gods and humans. What one person? The Realized One, the perfected one, the fully awakened Buddha. This is the one person, mendicants, who arises in the world for the welfare and happiness of the people, out of compassion for the world, for the benefit, welfare, and happiness of gods and humans.”
Read this translation of Aṅguttara Nikāya 1.170–187 Ekapuggalavagga: 170 by Bhikkhu Sujato on SuttaCentral.net. Or read a different translation on SuttaFriends.org.