Quotes From The Creators of Scrum

Scrum is spreading in all directions, too many are missing the most crucial part of Scrum, the “Heart of Scrum”
Jeff Sutherland
You know you are doing the Heart of Scrum, if the team has a potentially shippable increment of product at the end of a sprint.
Jeff Sutherland
Ken Schwaber
You know you are doing the Heart of Scrum, if nobody allocates assignments and ensures they are done in time.
Ken Schwaber
scrum rules

 

Rules of the Game in 2001 (how many differences from today can you spot?)

ScrumGuide – Rules of the Game Today

How the ScrumGuide Came About