Many problems in modern systems do not arise because something went wrong, but because nothing seemed wrong at the time. Decisions were reasonable, procedures were followed, and systems functioned as expected — yet consequences emerged much later, elsewhere, and for others.Relationality: Living in a World of Consequence is a philosophical and systems-oriented exploration of this condition. It examines how actions persist through structures, how responsibility becomes distributed across time, and why safety, sustainability, and governance cannot be understood through events or performance alone.Written as a foundational work that precedes methods and models, this book introduces the idea of relationality as a basic condition of living and acting within complex systems. It invites readers to see beyond isolated choices and to recognise the persistent traces — footprints — that shape future possibilities.This book is intended for readers working with complexity: professionals, policymakers, designers, researchers, and anyone interested in how systems quietly carry the consequences of our actions forward.