Know the enemy, know yourself and victory is never in doubt, not in a hundred battles.
The Art of WarThere is weakness in pretending to know more than you know or in stating less than you know.
The Art SpiritIt's what you learn after you know it all that counts.
It's What You Learn After You Know It All That CountsYou know me better than you think, you know, and you shall know me better yet.
The Magician's NephewFirst law of gossip - there's no point knowing something if somebody else doesn't know you know it.
Moon Over Soho