Who said "Strength lies not in weapons but in resolve"?

This quote is attributed to Salvor Hardin.

Strength lies not in weapons but in resolve - Salvor Hardin

"Strength lies not in weapons but in resolve"

Salvor Hardin Strength

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"

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."