In response to Thales, he postulated as the first principle an undefined, unlimited substance without qualities (apeiron), out of which the primary opposites, hot and cold, moist and dry, became differentiated.
Daɣ alwazab n Thales, ijja tasittaɣhal tan tizarat substance war n ila almaɣna, war t ila tazizakut wala tumasen (apeiron) id izjaran tukise d esamed, tanasmut d taɣurt eqqalan a izlayan