The heretics were burned alive.

The gods do not take kindly to heretics.

It wasn't very long ago that Europeans were burning heretics at the stake.

The heretic was anathematized.

Orthodox Christians consider Catholics to be heretics.

The translators of the New Testament were considered heretics.

Heretics were tortured.

In the 15th century the Spanish inquisitor Pedro de Arbués de Épila organized in Zaragoza a game of "living chess" with heretics to stand in as figures who were put to death when they were "captured". In 1867 Arbués was canonized by Pope Pius IX.

Heretics were punished, because a threat to religious orthodoxy was a threat to the monarch's power.

I'm not a heretic.