... This nonobservance of the fact of puberty would be very remarkable, since its observance is so widespread among primitive people, were it not for the fact that the Igorot has developed the olag — an institution calculated to emphasize the fact and significance ... — The Bontoc Igorot • Albert Ernest Jenks
... this extraordinary occurrence? What were its causes? The historians tell us with naive assurance that its causes were the wrongs inflicted on the Duke of Oldenburg, the nonobservance of the Continental System, the ambition of Napoleon, the firmness of Alexander, the mistakes of the diplomatists, and ... — War and Peace • Leo Tolstoy