Think about the people who have shaped your life, and your mind probably begins assembling a familiar collection of faces. Parents, teachers, friends, partners, colleagues, perhaps a doctor who helped you through a difficult moment or a stranger whose kindness stayed with you. We naturally imagine influence as something personal. Someone enters our life, does …
A wall is one of humanity’s simplest inventions. It separates inside from outside, protects us from weather, keeps danger at a distance, and gives us a space we can call our own. Yet almost as soon as humans learned to build walls, they began cutting holes into them. Those openings eventually became windows. At first …


