Three men walk into a public restroom: a Frenchman, American, and an Israeli.
Each does their business. The Frenchman strides over to the single wash basin, and thoroughly washes his hands. Showing his disdain for the American and the Israeli, he says “We French always wash our hands thoroughly.”
The American then turns the taps to a drizzle, and proceeds to clean only the tips of his fingers. The Frenchman looks disgusted, and the Israeli looks mildly curious. “Well, we Americans are extremely economical, so we only wash the tips of our fingers.”
The Israeli looks incredulously at the two of them, and begins walking out the door. To the mystified expressions of the other two, he says: “We Israelis don’t piss on our hands.”