From "Star Trek: Voyager: Hope and Fear (#4.26)"
You negotiated an agreement with the Borg Collective: safe passage through their space. And in return, you helped them defeat one of their enemies.
Seven of Nine
In your colorful language, yes, Species 8472. Did it ever occur to you that there were those of us in the Delta Quadrant with a vested interest in that war? Victory would have meant annihilation of the Borg; but you couldn't see beyond the bow of your own ship!
Capt. Kathryn Janeway
In my estimation, Species 8472 posed a greater threat than the Borg.
Who are you to make that decision? A stranger to this quadrant!