Of course my days are numbered..
That's how calendars work.
Today, my teacher stated that he used to work for NASA.
He told that class that he became a teacher because it paid more.
Poker never works well in Africa
Ethiopians always eat the chips
A woman's work is never done.
That's why they get paid less. (Source: Frankie Boyle)
Why do engineers work out a lot?
They're obsessed with rigid bodies!