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The Buddha comments : Blessings Even the writing down , studying and teaching of this Śūraṅgama Samādhi by a master of Dharma will bestow immense blessings , twenty in number .
 Buddha
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Buddha