I replaced the springs in my mattress with the springs from my trampoline, its a lot easier to jump out of bed in the morning.

Do you think loan sharks are lonely?  gary larson style comic showing the annual meeting of loan sharks and they are all sitting a considerable distance from one another

Knees

I went to the doctor to ask him to get rid of these strange bumps on my legs. He said those are your knees (read needs) I said its more of a request.

Sundial

Even a broken clock is right twice a day, unless your clock is a sundial.

The ancient Greeks invented the sundial, but how did they tell time at night?
They'd ask someone in china what time it was over there and add 12 hours

history major jokes

Those who fail to learn from history are doomed to repeat it, until they give up and become philisophy majors