He was a gentil harlot and a kynde;
A bettre felawe sholde men noght fynde.

– Geoffrey Chaucer

The Canterbury Tales, General Prologue. Chaucer the Pilgrim has good words to say about the nastiest of his fellow-pilgrims. He is being, of course, extremely ironic in describing the detestable Summoner as kind and fine and a good fellow.