One and one is two, and two and two is four, and five will get you ten if you know how to work it.
It takes two to get one in trouble.
It ain't no sin if you crack a few laws now and then, just so long as you don't break any.
Don't ever make the same mistake twice unless it pays.
Poor Mary Ann! She gave the guy an inch and now he thinks he's a ruler.
all pleasures should be taken in great leisure and are worth going into in detail; love is not like eating a quick lunch with one's hat on.