The centrality of language in the philosophical thinking of the 20th century and its designative position in Gadamer's philosophical hermeneutics, and on the other hand, the reliance of political pluralism on Gadamer's hermeneutics, makes it important to examine language and politics in Gadamer's thought. To do With this aim, the present research examines Gadamer's ontological approach to language and its relationship with politics, and then extracts the importance of language in the Nahj al-Balaghah and its meanings and themes and has discussed the favorable relationship between language and politics from the point of view of Nahj al-Balagha.
The results are expressive that, in agreement with Gadamer, Nahj al-Balagha did not turn off thinking about language, he considers it a wonderful power, he thinks about the situation of lack of language, i.e. silence, and it discussion the relation silence with the human being. And at a level higher than Gadamer's thought, it provides the possibility of an ontological approach to language and places it in a position for thinking and intellectual renewal, and by giving authenticity to the Truth, any reflection on it connects the language with the view of truth, honesty and action