Ad naf G.Vigner i sumer-d yiwen umyellel n wagulan di sin n yiswiren :  Ugulen id-yettilin deg tefyirt : zemren ad gen tiɣerṣi (lexṣaṣ) deg wayen yerzan anamek.  Ugulen n tɣessa d tuddsa tamatut n tirawt : ayagi d ayen yugaren ugul n tefyirt, d 2 0ayen i ssaɛaren tigzi n umaru sumata. 