Frasier: Yes, well, no point in trying to assign blame at a time like this, Niles. We must remember that.
Niles: You probably saved his life. [to a woman in the waiting room] Our father had a heart attack, this man saved his life!
Frasier: Well, I'm sure you would've done the same thing if you were in my shoes, Niles. [to the woman] Well, not these shoes, of course.