"Either we're going to solve this by realistic negotiation or there will be blood on the border"

This quote by Tom Metzger suggests that there is a problem that requires to be resolved, and that it can be resolved through negotiation. He is implying that if the issue is not resolved through negotiation, then there will be violence and bloodshed. This quote suggests that the scenario is major which the repercussions of not finding a peaceful solution could be dire. It likewise recommends that the speaker is willing to take a hard line position in order to guarantee that the issue is resolved. This quote is a caution that if the celebrations involved do not pertain to a tranquil resolution, then there will be violence and bloodshed. It is a pointer that settlement is the very best way to fix an issue and that violence ought to be prevented if possible.