| Link | Quote | Stars | Tags | Author |
| 4976c8a | Few modern social infrastructures are natural, however, and in densely populated areas even beaches and forests require careful engineering and management to meet human needs. This means that all social infrastructures require investment, whether for development or upkeep, and when we fail to build and maintain it, the material foundations of our social and civic life erode. | social-infrastructures maintenance | Eric Klinenberg |