2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/33975We suggest that all horizons of spacetime, no matter whether they are black hole, Rindler or de Sitter horizons, have certain microscopic properties in common. We propose that these propertues may be used as the starting points, or postulates, of a microscopic theory of gravity.9 pages, no figuresGeneral Relativity and Quantum Cosmologytext