Derrida On The "Truly Exceptional Moment" When Writing "Of Grammatology"

Here, Derrida describes the breakthrough experience underlying two of the essays in his most famous work, "Of Grammatology" (1967) - this text, which offers key deconstructive critiques of speech vs. writing, Rousseau/Levi-Strauss on 'Nature, Culture, Writing,' offered an "interpretive edge, a lever" that Derrida felt he did not actually create himself - he is thus "responsible" and "not responsible" for what he wrote "as though (he was transcribing) something that had imposed itself upon (him)"... he does not want to ascribe a "religious sensibility" to this feeling, but clearly believed that "something had taken hold of (him) that was powerful, a lever for interpretation, for reading the (Western philosophical) tradition, (allowing) him to formalize and economically decipher that which is dominant in our culture"...