"If you choose not to decide, you still have made a choice" -Known by me as lyrics in a Rush song, origin may lie elsewhere though.
"Do not be like the cat, who once having walked across a hot stove, will never do so again...but neither will it walk across a cold one" -Mark Twain
"The early bird may get the worm, but the second mouse gets the cheese" -seen on net, source unknown.