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In his influential theory on the hierarchy of needs , Abraham Maslow proposed that our physiological needs are the most basic and necessary to our survival , and must be satisfied before we can move on to satisfying more complex social needs like love and belonging .
 Abraham Maslow
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
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Text: {0} 
Answer:
 Abraham Maslow