Could Gus Dur really believe in the cue from graves ancestors? Apparently he did believe, because Gus Dur was always ready with a vigorous and earnest defense of "ideology" was his. In fact it often makes trouble his colleagues.
But, this is probably the correct answer, when asked why Gus Dur frequent pilgrimages to the tomb of the scholars and ancestors.
"I came to the tomb, as I know. Those who died had no interest anymore. "He said.