Who said "I teach my sons that strength is not merely physical."?

This quote is attributed to Ned Stark.

I teach my sons that strength is not merely physical. - Ned Stark

"I teach my sons that strength is not merely physical."

Ned Stark Education

"The man who passes the sentence should swing the sword."

"Winter is coming."

"I am of the night."

"The North remembers."

"Education opens doors."

"Education opens doors to endless possibilities."

"I ain't got the education you got, bub."

"You can't put a price on history."