A lawyer, an environmentalist and a teacher were going the bathroom.
The lawyer gets done, washes his hands and uses the entire roll of tissue paper to wipe his hands. “I was taught to be thorough.”, he said.
The environmentalist washes his hands and uses his own kerchief to wipe his hands. “I was taught to be environment friendly.”, he said.
The teacher walks out without washing his hands. “I was taught not to piss on my hands.”, he says.