chicken

There was some really tasty curry chicken sitting in the refrigerator all day. I did not eat it because I did not know it was there. Because I didn't know about the chicken, I ate handfuls of dry cereal all day. Had I known the chicken was there, I would have had it for lunch.

It's easy to see if you know what you're looking for.

If you're looking for something, it's hard to see what you're not looking for.

If you're not looking for something, it's hard to see anything.