The Pesukim are discussing: that an Amoni or Moavi shall not marry into the Jewish nation. Why does the Torah suddenly deviate and start discussing the old story of Bilam’s K'lalos turning into Brachos? We can suggest (at least: that this teaches us that the concept of “Aderaba” and Gam Zu L'tovah (where complete evil becomes the greatest good) is ALWAYS to be reviewed. At every opportunity, keep saying Gam Zu L'tovah. Like Nachum Ish Gam Zu; the fact that his very name was Nachum Ish “Gam Zu” shows that he was constantly involved in this true Bitachon.
There was a great Chasidishe Rebbe who was a big Masmid, and they said that between lines of Gemara he was always pausing to remember Hashem. V'nahapoch Hu, and: (the rejected and disgusting one becomes the main and most important), and: (the more they tortured us, the more we increased and flourished) has to be remembered at every opportunity. The more you do it, the more it becomes part of you, and the more you are Zoche to a life of Nissim, and K'lalos turning into Brachos!
The Ohr HaChaim says that the reason why Hashem turned the K'lalos into Brachos was...
