“Take my advice, Hari! If the time comes when you are able to set up some device that may act to prevent the worst from happening, see if you can think of two devices, so that if one fails, the other will carry on. The Empire must be steadied or rebuilt on a new foundation. Let there be two such, rather than one, if that is possible.”
OK, so this is supposed to be where he got the idea for a Second Foundation.
