Although humans are capable of understanding many things relating to their material life, when it comes to their inner life, their psychic life, they are not so perceptive. Look: they endeavour to learn, to take exams and obtain diplomas that will ...
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Syntaxes of research
word1 word2: search on at least one of the two words. word1word2: search on both words. "word1 word2": search on the expression between" ". word*: searches on the beginning of the word, whatever the end of the word. -word: the word behind - is excluded from the search.