...with such wrath and fury did my heart burn that I scarcely restrained myself from rushing out into the streets, crying aloud and proclaiming openly the perfidy and treachery of which I was the victim;
O, perfidious Ganelon!
Traitor, cruel, vindictive, and perfidious, wherein had this poor wretch failed in his fidelity, who with such frankness showed thee the secrets and the joys of his heart?
I myself have written this: have a care to whom thou givest it to read: trust no Moor, for they are all perfidious.
…mounted, at the gate of the inn, he called to the host and said in a very grave and measured voice, "Many and great are the favours, Senor Alcaide, that I have received in this castle of yours, and I remain under the deepest obligation to be grateful to you for them all the days of my life; if I can repay them in avenging you of any arrogant foe who may have wronged you, know that my calling is no other than to aid the weak, to avenge those who suffer wrong, and to chastise perfidy.