Lustrum Lustrum A lustrum (, plural lustra) was a term for a five-year period in Ancient Rome. The lustration was originally a sacrifice for expiation and purification offered by one of the censors in the name of the Roman people at the close of the taking of the census. The sacrifice was often in the form of an animal sacrifice, known as a suovetaurilia. These censuses were taken at five-year intervals, thus a lustrum came to refer to the five-year inter-census period. ' (from ', ) is a lustration or purification of the whole Roman people performed by one of the
How to Fly a Horse How to Fly a Horse How to Fly a Horse: The Secret History of Creation, Invention, and Discovery is a 2015 non-fiction book by the technology pioneer Kevin Ashton. In the book, Ashton debunks many common myths about creativity and proposes that hard work, rather than creative genius, is the true source of innovation. Ben East of "The Observer" wrote, "[Ashton's] well chosen examples reinforce the idea that there is no magic or myth to creation or discovery, making this an approachable, thought-provoking book that encourages everyone to be the best they can be." Christine Sismondo of the "Toronto Star"