What the excerpt is trying to convey is that, with the current generation we are so preoccupied with own self-interests. We value vanity, self and glory without considering the individuals we face as we walk, as we talk and as we engage. The passage reinstates that individuals have to get back and introspect about not their own gratifications and egotistical desires but the welfare with others, even though it is innate and inevitable that we always point to the ego.
The best example of dramatic<span> irony in Act 1, Scene 4 of Macbeth is when Duncan says he trusts Macbeth, and the audience knows that Macbeth is expecting to become king. Macbeth is not at all trustworthy! </span>Dramatic<span> irony is when the audience knows something that the characters do not.</span>
