you got to know when to hold 'em and when to fold 'em is an obvious first
lyle berman has a good one on chasing the low end of straight draws in OH ( just read it again in his PLOH section of SS2 ):
there was once a man who lost four of his farms; 3 of them because he didn't hit his draw and 1 because he did
"You think THAT was a bad beat, yesterday on......blah blah blah. Now that is a bad beat, He caught his A to trip up on the river, when I flopped two pair, 7s and 2s."
" Welcome to Da jungle Baby " or ... "It's no limit baby" Scottie Nguyen
"The kiddie table is down the street " Mike Matusow.
Oh yea and .. "I wish I had done that." Scot Fishman
My favourite has got to be "You've gotta be in it to win it"... mainly because it's one of those phrases that marks a fish... so you either use it yourself to make others think you're an easy mark, or use it to identify those that don't know half the strategy of poker....