Personal development and happiness". The Greek philosopher Aristotle (384 BCE – 322 BCE) wrote "Nicomachean Ethics", in which he defined personal development as a category of phronesis or practical wisdom, where the practice of virtues ("arête") leads to "eudaimonia", commonly translated as "happiness" but more accurately understood as "human flourishing" or "living well". Aristotle continues to influence the Western concept of personal development , particularly in the economics of human development and in positive psychology. In Chinese tradition, Confucius (around 551 BCE – 479 BCE) founded an ongoing philosophy. His ideas continue to influence family values, education and management in China and
Alexander the Great have survived. The earliest of these is Diodorus Siculus (1st century BC), followed by Quintus Curtius Rufus (mid-to-late 1st century AD), Arrian (1st to 2nd century AD), the biographer Plutarch (1st to 2nd century AD), and finally Justin, whose work dated as late as the 4th century. Of these, Arrian is generally considered the most reliable, given that he used Ptolemy and Aristobulus as his sources, closely followed by Diodorus. Alexander the Great Alexander III of Macedon (; 20/21 July 356 BC – 10/11 June 323 BC), commonly known as Alexander the Great (), was a king ("basileus") of the