Hence , in " das wesen des christenthums " , he regards the theoretical attitude as the only genuinely human attitude , while practice is conceived and fixed only in its dirty - judaical manifestation 因此,在《基督教的本质》中他把理论的态度作为人类唯一本质性的态度,而实践则被认为只是肮脏的犹太人的表现。