Blood is a major theme in this play. The way I interpret "blood will have blood" is in three major ways. Firstly, is the meaning that violence begets more violence. Secondly, it is also meaning evil will get more evil. Thirdly, blood also symbolises guilt, thus guilt will eventually cause more guilt. Lastly, it also means that bloodlines will reign supreme

Firstly, "blood will have blood" meaning violence begets more violence can be seen widely in this play. It can be broadly divided into two portions from which it this meaning can be clearly seen. First, through battles and secondly, through Macbeth himself.

Through battles, we see the quote "blood will have blood" best shown. The play Macbeth begins with a battle and at the end of the text, ends with yet another battle showing that violence, or blood, will beget more violence. In battles, blood will definitely...