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.
Manut anggepan Thales, Ida ngedalilan anggena prinsip kapertama zat sane nenten madefinisi, nenten mabates tanpa kualitas (apeiron), uli dija saingan utama, kebus lan embon, ayub lan enyat, dados kabinayang.