J.K. Rowling is the author of Harry Potter
(that's what she is known for)
hope this helps
When visits the witches a second time, they say that only when Birnam wood marches towards the castle and only man not born of woman can kill him, it's like a confident boost because these things seem impossible.However, the woods look like they move as an army approaches Macbeth's castle, and Macduff (who he is warned of) was cut from his mother's stomach, not physically born.
Hope this helps!<span />
In the same manner as the inexpressible cruelty of slavery could not stop us, the opposition we now face cannot keep us from achieving our goal
