Remove the spaces from the following sentence: However, when the author of the books takes full responsibility for his work and over the years stands up in defense of the main characteristics in this, and at the same time adopts a constructive attitude to criticism - this also leads to an understanding as to which parts of the opposition and the animosity are the problematic ones. It cannot be right that any author or researcher must limit himself to being "politically correct" and should avoid doing research in a more advanced way which might run the risk of crossing the boundaries of some academic-bureaucratic routines and perhaps disturb the somewhat tranquil waters of certain areas of research.
However,whentheauthorofthebookstakesfullresponsibilityforhisworkandovertheyearsstandsupindefenseofthemaincharacteristicsinthis,andatthesametimeadoptsaconstructiveattitudetocriticism-thisalsoleadstoanunderstandingastowhichpartsoftheoppositionandtheanimosityaretheproblematicones.Itcannotberightthatanyauthororresearchermustlimithimselftobeing"politicallycorrect"andshouldavoiddoingresearchinamoreadvancedwaywhichmightruntheriskofcrossingtheboundariesofsomeacademic-bureaucraticroutinesandperhapsdisturbthesomewhattranquilwatersofcertainareasofresearch.