Answer:
In Act I, Scene 6 of "Macbeth," King Duncan, the Scottish lords, and their attendants arrive outside Macbeth's castle. With great situational irony, King Duncan praises the congenial atmosphere and pleasant environment, thanking Lady Macbeth for her hospitality:
This castle hath a pleasant seat; the air/Nimbly and sweetly recommends itself/Unto our gentle senses. (I,vi,1-3)
Explanation: