G.Bachelard deg yimahilen-ines ɣef usugnan, ixulef Valentina Graissi deg twuriwin i d-tefka i usugnan,acku netta yenna-d belli asugen ur yesliḥ ara kan i usmkti d uskan n tɣawsa deg wallaɣ, maca d aslali n waṭas n tugniwin i d-yettɛeddin seg wartilawt ɣer tillawt, ɣer Bachelard asugnan d annar n usnulfu n umdan deg lwhi-is d tugniwin-nni n wallaɣ i yettuɣalen d awalen,akked tira yernad daɣen: asugnan yettdemmir-aɣ ad d-nexleq amḍal akken nniḍen ad as-nbeddel deg wallaɣ-nneɣ; targit-nneɣ,tira-nneɣ tugniwin-nneɣ, d agemmuḍ n tigawt-a (abddel n udem deg walaɣ-nneɣ )ula d