Especially if you live in Pakistan
http://news.sky.com/story/1309036/pakistan-mob-kills-three-over-blasphemy
http://news.sky.com/story/1309036/pakistan-mob-kills-three-over-blasphemy
Sky News said:The blasphemy law is considered draconian by the minority Ahmadi and Christian community in Pakistan. The controversial law is not clearly defined and is punishable by death.
But it is a really, really bad thing to blaspheme, killing people because of it is fine though. It is what god would have wanted.