Parshat Ki Tavo (Deuteronomy 26:1-29:8) Throughout Moses' dark description of curses, the theme of enemies is prevalent. This, too, is part of the curses we wish to obliterate on Rosh Hashanah.
Blatant providence from God is so apparent that it's difficult to really see it, though we're looking at it always. The curses that God grants us are indeed an opportunity to partake far more deeply and actively in the experience of Him. They are gifts of discovery through adversity of the concealed beauty in all things.
The Hebrew language is not famous for its curse words. There is one, however, emach she'mo, meaning, "may his name be erased."
In our tradition, it is a horrible curse to be erased from human memory. For example, Hitler, emach she'mo: Even as we remember him, we remember to forget him. Those who evoke our most horrible memories are those who most deserve to be forgotten.