"Obstacles are those frightful things you see when you take your eyes off your goal."[Henry Ford]
"Wealth stays with us a little moment if at all: only our characters are steadfast, not our gold." [Euripides]
"It's probably not a good idea to be chewing on a toothpick if you're talking to the president, because what if he tells a funny joke and you laugh so hard you spit the toothpick out and it hits him in the face or something." [Jack Handey]