authentically, so long as it remains unthought what the being of what-is rests in, whenever it appears as presence [Anwesenheit].
The provenance [Herkunft] of the essence of the being of what-is38 is unthought. What is to be thought authentically remains withheld. It has not yet become for us worthy of thought. Therefore, our thinking has not yet properly [eigens] arrived in its element.39 We are not yet thinking authentically [eigentlich]. That is why we ask: what does thinking mean [heißt]?
38 ontological difference
39 Third edition, 1967: the “element” – the event