I need help finding pathos in act 2 of Macbeth.

Any help would be greatly appreciated. Thanks.

Definition of "pathos": http://www.merriam-webster.com/dictionary/pathos

Macbeth script: http://shakespeare.mit.edu/macbeth/full.html

Full performance (Ian McKellan & Judi Dench): https://www.youtube.com/watch?v=uxGnGrtfzoU