Oratory is the manifestation of human brain. It is a hidden component of the ideas shaped in our inner world, cultural background and the way we perceive the universe. From past to present, the purpose to improve the current position and to plan the future, finally, has found the opportunity to spread and to be understood, expanded its impact area with the power of oratory, and has become qualified to leave lasting effect on the mind with its personal style. On the stage of history, the basis of speeches which shape the future of countries and people, has a strong oratory. In the history of the world, Confucius, Aristotle, Socrates, Shakespeare, Mehmet The Conqueror, Mustafa Kemal Atatürk and many other preachers have made speeches that could affect people's destiny. From time to time, in the most critical moments of battles, the leaders' courageous encounters with the armies yielded victory. In this context, apart from having a unique style, the common point of all the leaders in any field, no doubt, is to have a strong ability of speech. As Comte de Buffon said in his speech ("Le style c'est l'homme même") "The style is the man himself." For this reason, it is quite natural to have hundreds of different styles. Even if the complex styles are separated from one another entirely, the leaders' speech unite again at the point of setting the future and reverberate on the masses. About the publisher (IAU International) Istanbul Aydin University (IAU) has been providing flexible and relevant education to students, giving them both knowledge and opportunities. IAU is one of the best Turkish Universities that improves lives by producing leaders to society need, has programs suitable for and relevant to all life stages.