In a poker game you do not want to let your opponents know if your cards are good or bad.

VOA: special.2009.11.22

The jester said, "If these wise men do not know how to hide the moon, then the moon cannot be hidden."

VOA: special.2009.03.28

You do not always know if a clay object will survive being fired at high temperatures.

VOA: special.2009.09.09

Alzheimer's patients might not know what to do if food on a stove is burning.

VOA: special.2009.09.15

If fact,we do not even know if bees have knees!

VOA: special.2009.06.28

"And,that is a very worrisome thing. The alternative,however,is even worse, which is,if we do not use them, then we definitely know that we are not going to be getting any assistance out there,"

VOA: standard.2009.08.07