Benjamin Franklin:

The greatest invention of the 19th century was the discovery of the 18th century.

— Benjamin Franklin Early Modern

Electricity experiments, founding father

Attributed, but the context and exact wording are difficult to verify.

Disputed

Verification

Unverifiable

Found in 1 providers: grok

Cross Reference

1 source

"To be happy is not the purpose of our being, but to be useful."

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