Who said "The periphery will devour the center"?

This quote is attributed to Salvor Hardin.

The periphery will devour the center - Salvor Hardin

"The periphery will devour the center"

Salvor Hardin Change

Character in Foundation

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"Violence is the last refuge of the incompetent"

"It is the chief characteristic of the religion of science that it works"

"Found a religion? It's the only way to keep them quiet"

"Violence is the last refuge of the incompetent"

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."