To try to fashion something from suffering, to relish our triumphs, and to endure defeats without resentment: all that is compatible with the faith of a heretic.
— Walter Kaufmann

A heretic is a man who sees with his own eyes.
— Gotthold Ephraim Lessing

He drew a circle that shut me out- Heretic , rebel, a thing to flout. But love and I had the wit to win: We drew a circle and took him In ! From the poem Outwitted
— Edwin Markham

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.
— Martin Luther

A man may be a 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.
— John Milton