Who said “If you see one cold and vehement at the same time, set him down for a fanatic.”?

Verified

Johann Kaspar Lavater. A published source records them saying or writing it.

SourceAphorisms on Man (1788)

Evidence: Wikiquote · How we check

Source checked · Something wrong? Report a correction

Cite this quote

For academic work, cite the original where you can: Aphorisms on Man (1788).

APA

Lavater, J. K. (n.d.). If you see one cold and vehement at the same time, set him down for a fanatic. [Quotation]. Famous Quotations Network. Retrieved October 24, 2026, from https://www.famous-quotations.com/quotes/16717-if-you-see-one-cold-and-vehement-at/

MLA

Lavater, Johann Kaspar. “If you see one cold and vehement at the same time, set him down for a fanatic.” Famous Quotations Network, https://www.famous-quotations.com/quotes/16717-if-you-see-one-cold-and-vehement-at/. Accessed 24 Oct. 2026.

Chicago

Lavater, Johann Kaspar. “If you see one cold and vehement at the same time, set him down for a fanatic.” Famous Quotations Network. Accessed October 24, 2026. https://www.famous-quotations.com/quotes/16717-if-you-see-one-cold-and-vehement-at/.