Never think there is anything impossible for the soul. .
A heresy can spring only from a system that is in full vigor.
They that approve a private opinion, call it opinion; but they that dislike it, heresy; and yet heresy signifies no more than private opinion.
There is no heresy or no philosophy which is so abhorrent to the church as a human being.
I shall never be a heretic; I may err in dispute, but I do not wish to decide anything finally; on the other hand, I am not bound by the opinions of men.
The heresy of one age becomes the orthodoxy of the next.
Heresies are experiments in man's unsatisfied search for truth.
If the individual, or heretic, gets hold of some essential truth, or sees some error in the system being practiced, he commits so many marginal errors himself that he is worn out before he can establish his point.
For my name and memory I leave to men's charitable speeches, and to foreign nations and the next ages.
Neither was there any heresy, or diversity of opinion, or disputing about the matter, till the pope had gathered a council to confirm this transubstantiation: wherefore it is most likely that this opinion came up by them of latter days.
It may be you fear more to deliver judgment upon me than I fear judgment.
It is surely harmful to souls to make it a heresy to believe what is proved.
Heresy is a cradle; orthodoxy a coffin.
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.
Progress, this great heresy of decay.
In the end it is worse to suppress dissent than to run the risk of heresy.
History warns us that it is the customary fate of new truths to begin as heresies and to end as superstitions.
Indeed heresies are themselves instigated by philosophy
A man may be an heretic in the truth, and if he believe things only because his pastor says so, or the assembly so determines, without knowing other reason, though his belief be true, yet the very truth he holds becomes his heresy.
If it squares with the Scripture, then let's go. If it's in conflict with the Scripture, then it's heresy.
or simply: