Sun Tzu proved on the battlefield that his theories were effective (for example, at the Battle of Boju), that he had a successful military career, and that he wrote "The Art of War" based on his tested expertise. However, the "Zuozhuan", a historical text written centuries earlier than the "Shiji", provides a much more detailed account of the Battle of Boju, but does not mention Sun Tzu at all. Beginning around the 12th century, some scholars began to doubt the historical existence of Sun Tzu, primarily on the grounds that he is not mentioned in the historical classic "Zuo zhuan", which mentions
If This Isn't Nice, What Is?: Advice to the Young In 2016, Seven Stories Press released what it called a "(much) expanded second edition" of the book. If This Isn't Nice, What Is?: Advice to the Young If This Isn't Nice, What Is?: Advice to the Young (Seven Stories Press) is a 2013 collection of nine commencement speeches from Kurt Vonnegut, selected and introduced by Dan Wakefield. After the publication of his novel "Slaughterhouse-Five" brought him worldwide acclaim in 1969, Kurt Vonnegut became one of America's most popular graduation speakers. There were years when public speaking was Vonnegut's main source of income. "We are performing animals," he used to say