Principal Skinner: You're not supposed to be able to get outside our network. Nelson: You shouldn't have made your password, "password". Principal Skinner: It was the name of the street I grew up on, Password Drive.
Homer: (Wearing glasses) The sum of the square roots of any two sides of an isosceles triangle is equal to the square root of the remaining side! Man: (From inside a bathroom stall.) That's a right triangle, you idiot! Homer: D'oh!