50083
It manifests , for instance , that the main theme of Heidegger 's " Being and Time " is " astī " ( is-ness ) rather than " hastī " ( existence ) .
 Heidegger
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Heidegger