In book 1, part 2 of Rhetoric, written about 350 BCE, Aristotle defines three kinds, or "modes," of persuasive speaking:
Of the modes of persuasion furnished by the spoken word there are three kinds.
The first kind depends on the personal character of the speaker [known as ethos]; the second on putting the audience into a certain frame of mind [known as pathos]; the third on the proof, or apparent proof, provided by the words of the speech itself [known as logos].
Logos, an appeal to logic, is a way of persuading others to believe a particular point of view or to take a particular course of action through reason, with facts, or by making historical or literary references or analogies.
In his "I Have A Dream" speech delivered at the Lincoln Memorial in Washington, DC on August 28, 1963, Martin Luther King Jr. begins his speech with an historical reference to the March on Washington for Jobs and Freedom (known as "The March On Washington") that was happening that very day.
I am happy to join...
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