The Industrial Revolution turned the time table and the assembly line into a template... [S]chools… — Yuval Noah Harari

The Industrial Revolution turned the time table and the assembly line into a template... [S]chools... adopted... timetables, followed by hospitals, government offices and grocery stores. ...[I]n places devoid of assembly lines and machines, the timetable became king.

Source: Wikiquote · CC BY-SA 4.0