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Nathaniel Branden stated that " self-esteem creates a set of implicit expectations about what is possible and appropriate to us " , and further said that " one 's reality confirms and strengthens one 's original belief " .
 Nathaniel Branden
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Nathaniel Branden