how do the witches affect banqo in macbeth?

Question

could you give me an idea of a quote

Answer 1

They give Macbeth a prediction and Macbeth kills Banquo.

Pretty affecting, I'd say. ******' witches.

Answer 2

You know, oli...four questions in a row, all of the same sort, all about the same play...?

It's a pretty good play; you ought to give it a read sometime.