Sforno on Numbers 22:41/ספורנו על במדבר כ״ב:מ״א

1וירא משם קצה העם, in order to harm them by focusing his evil eye on them. Compare kings II 2,24 ויפן אחריו ויראם ויקללם, “He turned around and cursed them in the name of the Lord.” (the prophet Elisha cursed the lads who had insulted him) Deuteronomy 34,1 is an example of the very reverse, i.e. bestowing a blessing. Moses looked at the people with a benevolent eye, i.e. he blessed them.