The Citadel is an archive of information for George R.R. Martin's A Song of Ice and Fire.
New to the series? Read our spoiler-free review of A Game of Thrones.
"The wolves will come again," said Jojen solemnly.
"And how would you be knowing, boy?"
"I dreamed it."
The wolves are most likely the Starks, and this would seem to suggest that in some form or other the Starks will become important players once again.