Why couldn't the bicycle stand up by itself?

It was two tired!

My daughter was doing her homework and came to me complaining. She said her pencil wasn't working and she couldn't write anything.

I told her, 'Well, if it's not working, it sounds like it's pointless!'

I used to be addicted to soap, but I'm clean now.

I tried to start a new business selling clocks, but I couldn't find the time.