The man who passes the sentence should swing the sword. If you would take a man's life, you owe it to him to look into his eyes and hear his final words. And if you cannot bear to do that, then perhaps the man does not deserve to die.

This quote means that if someone has to be punished severely with the death penalty, it is important for the person doing the sentencing to also carry out the punishment. The quote suggests that if someone is not able to look a person in the eye and listen to their last words, then maybe the person does not deserve to die. This emphasizes that carrying out death penalties should not be taken lightly, and should be done with empathy and understanding.