Yal anadi usnan yessefk ad yesu iswi i ɣef ara yeddu umahil-nneɣ, imi naxdem ɣef wamek d-ussa talɣa n tnebdit d twuri-is d wassaɣ yellan ger uzwel d tnebdit d usebgen n 2 M. Mammeri, culture savants culture vcue tude (1938-1989) tude tala, Alger pg33.