Dale Carnegie

Carnegie's enduring advice: remember the details, use people's names, take a sincere interest in what matters to them. Attention, honestly given, is the oldest form of care.

The Dossier is Carnegie with a better memory. It keeps the durable facts worth knowing months from now — a new job, a sibling's name, a standing preference — each grounded in something they actually told you, so you show up remembering what matters to them.