Teacher: Ah Kau, if your father has $10 and you ask him for $6, how much would your father still have?
Ah Kau: $10
Teaccher: You don't know maths
Ah Kau: You don't know my father la!
Father: Why did you fail your Mathematics test?
Son : On Monday, teacher said 3 + 5 = 8
Son On Tuesday, she said 4+4 = 8
On Wednesday, she said 6+2 = 8
If she can't make up her mind how I know the right answer la???
Father: Your teacher says she finds it impossible to teach you anything!
Son: That's why I telly you she's no good.