Book Review: The End of Eternity

What was the hidden message of this 1955 science fiction thriller?

https://medium.com/@davevolek/book-review-the-end-of-eternity-6aac692f6bf8?sk=2a4dcbfd5386798f17bee0afb203c0a5

#tiereddemocraticgovernance
#sciencefiction #asimov #isaacasimov