Answer:
I can be written, I can be spoken, I can be exposed, I can be broken.
Different lights do make me strange, thus into different sizes I will change.
What has a big mouth, yet never speaks?
What is put on a table, cut, but never eaten?
What does man love more than life, fear more than death or mortal strife. What the poor have, the rich require, and what contented men desire. What the miser spends, and the spendthrift saves. And all men carry to their graves.
Before I grow I'm small. When I'm old I grow tall. When I die I give a mighty fall.