- The system is mine and mine alone. It's meant to serve as a mirror for myself and an exercise in self knowledge and self reflection. ---- [[Building a Second Brain]] (Tiago Forte) - The practice of building a Second Brain is more than the sum of capturing facts, theories, and the opinions of others. At its core, it is about cultivating self-awareness and self-knowledge. When you encounter an idea that resonates with you, it is because that idea reflects back to you something that is already within you. Every external idea is like a mirror, surfacing within us the truths and the stories that want to be told