There are many ways in which the opposition between appearance and reality are presented in the play. For example, there is a method of showing the opposition, with the characters, between Macbeth and Lady Macbeth. Another method is with the play's symbols, for example with the dagger and the ghost. With the dagger and the ghost, we don't know if they are real of if they are just something out of Macbeth's imagination. With the method of presentation with the characters, the audience knows what the characters (Macbeth and Lady Macbeth) are planning but other characters don't. This is called dramatic irony.
The way of presenting opposition with the characters is very clear, for example, right in the beginning of the play Macbeth is presented as an honest and brave man, Act I Scene 2, Line 16 "For brave Macbeth – well he deserves that name". The captain says this. He is at first an honest and brave man, but by the end of the play, we see that he is nothing but a traitor and a murderer.
There is another example in Act II Scene 3, Line 80, Lady Macbeth: "Woe alas, What in our house?". This is said after Lady Macbeth is told that Duncan was killed. She acts as though she knew nothing, and acts shocked. She even acts as though she is going to faint, "Help me hence, ho". Act II Scene 3, Line 112, this is what Lady Macbeth says when she is pretending to faint. Another example is when Duncan enters Macbeth's castle. He says that the castle has a sweet air and welcomes them to come in, Act I Scene 6, Line 1:
"This castle hath a pleasant seat; the air
Nimbly and sweetly recommends itself
He doesn't suspect anything is going to happen, he knows nothing about their plot to kill him while he is sleeping. He is convinced that he will be treated very well at the castle and that it will be a very pleasant stay. In this scene dramatic ir
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