“Some of the disagreements arose from the stated definition of a lie I used. A lie is saying something that one believes to be false with the intention of getting someone else to believe it is true. Some people challenged the definition; others accepted it but claimed that, according to it, some of my lies were not lies.”
http://opinionator.blogs.nytimes.com/2016/01/14/how-you-justified-10-lies-or-didnt/