The ancient Aztecs aren’t usually grouped with today’s self-help gurus. But their philosophy, preserved in early post-conquest records, offers surprisingly sharp tools for modern life. Unlike stoicism or Buddhism, which emphasize internal reflection as the path to a better life, the Aztecs believed that you should start with your surroundings, your relationships, your body and speech. In their view, wisdom begins outside. Here are 10 lessons from their “outward path”, starting with those that clarify life goals.