Best lawyer quotation ever

One of my daughter's friends just graduated from law school. I wondered if I should include my favorite lawyer quotation in her card?

"There are 3 reasons why lawyers are replacing rats as lab research animals. One is that they're plentiful, another is that lab assistants don't get attached to them, and the third is that there are some things rats just won't do."

Now you know why I don't work at Hallmark.

Guess I'll go with a simple, "Congratulations."