No Centaurs here, or Gorgons look to find,
My subject is of man, and human kind.

Why are Italians at this day generally so good poets and painters? Because every man of any fashion amongst them hath his mistress

Stretching one arm behind him, the man passed his hand over the horse's coat, his own skin transformed, or skin which had transformed into him. ("The Centaur")

His priority did not seem to be to teach them what he knew, but rather to impress upon them that nothing, not even... knowledge, was foolproof.

Never," said Hagrid irritably, "try an' get a straight answer out of a centaur. Ruddy stargazers. Not interested in anythin' closer'n the moon.

The killer," the old man said. "He's still there. He doesn't want them in the house.