That is heresy!

As for the accusations of heresy--here, the evidence is much weaker.

Such an idea was heresy in left-wing circles.

As for the accusations of heresy: here, the evidence is much weaker.

Well, I always like to look on the bright side, Eliza." "There isn't any bright side." "Oh, indeed there is," cried Anne, who couldn't endure such heresy in silence.

Instead of being esteemed for these discoveries, he was sentenced to renounce them, or the opinions resulting from them, as a damnable heresy.

Heresy is a threat.

Galileo was cleared of charges of heresy, but was told that he should no longer publicly state his belief that Earth moved around the Sun.

It is an important maxim, that we ought to be very circumspect in the prosecution of magic and heresy. The accusation of these two crimes may be vastly injurious to liberty.

Because the Church taught that the Earth was at the center of the universe, Copernicus' theory was regarded as heresy.