Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Onata Sutta
Onata Sutta:On four classes of people in the world:the low and low,the high and high,the high and low,and the low and high (A.ii.86; also found at Pug.52 and Pug.7).
The Commentary explains that each person is such and such but may,or will,become such and such.