If forgers and malefactors are put to death by the secular power there is much more reason for excommunicating and even putting to death one convicted of heresy.
For death is not the worst but when one wants to die and is not able even to have that.
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If what you do is being threatened as a profession that could be scary. But that's the same reason why I walked out on stage many times after receiving death threats. I couldn't live without doing what I wanted to do. So at the same time I have to be willing to die for it.