ISAAC [seeing the bishop in church]:  Can he move only diagonally?

DADDY:  How did you get so rich?
ISAAC:  Well, I've been saving since I was five and three-quarters.

DADDY:  Dylan, what is i squared?
ISAAC:  Negative one!  Negative one!  Negative one!

Dylan:  Once we've left the EU, will our bananas be lots of different shapes?