The Compendium of Caraka 6.3.32

6.3.32

dvividho vidhibhedena jvaraḥ śārīramānasaḥ/
punaśca dvividho dṛṣṭaḥ saumyaścāgneya eva vā//

Fever is of two kinds by way of classification: bodily and mental; / and it is further seen as of two kinds: mild or fiery;