Bakers trade bread recipes on a knead to know basis.
The best way to communicate with a fish is to drop them a line.
A grandmother took her granddaughter to get a soft drink at a fast food place. After both grandmother and granddaughter filled their cups, the granddaughter gets a stir stick and uses it for a straw.
Grandmother says, "Why don't you get a big straw like grandma?"
Granddaughter replied, "Because my mouth is not as big as yours."
No matter how much you push the envelope, it'll still be stationery.