Géza Révész (psychologist) Quote

Ebbinghaus: Language is a system of conventional signs that can be voluntarily produced at any time.


The Origins and Prehistory of Language, 1956


Ebbinghaus: Language is a system of conventional signs that can be voluntarily produced at any time.

Ebbinghaus: Language is a system of conventional signs that can be voluntarily produced at any time.

Ebbinghaus: Language is a system of conventional signs that can be voluntarily produced at any time.

Ebbinghaus: Language is a system of conventional signs that can be voluntarily produced at any time.