Assignment task:
Provide an insight you gained from the passages your colleague found compelling or from another example from the book.
Ask a clarifying question about your colleague's analysis, either of the concept from the book or of their reflection on past experiences.
Goldratt, E. & Cox, J. (2014). The goal: A process of ongoing improvement (4th ed., pp. 124-236). North River Press.(Chapters 17-28) of The Goal.