Search You can find the results of your search below. SearchContainsExact matchStarts withEnds withContains@quote-of-the-dayAny namespaceAny timeAny timePast weekPast monthPast yearSort by hitsSort by hitsSort by last modifiedFulltext results:Quotes for the May1 Hits, Last modified: 5 months agoTEXT> Today it is very hard to write mathematical books. --- **Herbert Seifert (1907-1996)** <TEXT align