Quotes from book
Iorich

Name: Iorich
Author: Steven Brust

Steven Brust

Iorich is a fantasy novel by American writer Steven Brust, the twelfth book in his Vlad Taltos series, set in the fantasy world of Dragaera. It was published in 2010. Following the trend of the series, it is named after one of the Great Houses and usually features that House as an important element to its plot. The Iorich are renowned for their quest for justice and the rules of law. Initially released in hardcover, rather than being followed by a normal mass-market paperback, a trade paperback was released.

“A stupid person can make only certain, limited types of errors; the mistakes open to a clever fellow are far broader.”

Steven Brust book Iorich

Source: Iorich (2010), p. 172 
Context: A stupid person can make only certain, limited types of errors; the mistakes open to a clever fellow are far broader. But to the one who knows how smart he is compared to everyone else, the possibilities for true idiocy are boundless.