What can you share and still have all for yourself?
What can always be measured but never can be seen?
A man takes a barrel that weighs 20 pounds and then puts something in it. It now weighs less than 20 pounds. What did he put in the barrel?
Why can’t a nose be 12 inches long?
What costs more than riches but doesn’t cost a penny; that’s also hard to find yet easy to lose?
What gets wetter as it dries?