Note 105 — Front matter
Reading edition
The other stages presenting similar difficulties are the 5th and 6th of Du Bois-Reymond's Enigmas, viz. the introduction of sensation or consciousness (animal life), and of rational thought and speech.
Reading edition
The other stages presenting similar difficulties are the 5th and 6th of Du Bois-Reymond's Enigmas, viz. the introduction of sensation or consciousness (animal life), and of rational thought and speech.