Don't confuse an open mind with one that's vacant.

I wondered why the cricket ball was getting bigger. Then it hit me.
If at first you don't succeed, parachuting is not for you.
Crime is merely politics without the excuse.

Chemistry jokes are 'So dium' funny.

Politics: Too many crooks spoil the broth.
You are never too blonde to learn.

Sometimes it takes me more than 8 hours to get nothing done.
If you hold in a burp does it eventually become a fart?
If a boy is a lad and he has a step father, is the boy a step ladder?