Nurul Mana Hati Kaw !

Pencil : You know, I'm really sorry.
Eraser : Sorry for what? You didn't do anything wrong!
Pencil : Well, every time when i make mistake, you will b there to erase my mistake. But, as time pass by, part of u r gone.
Eraser : You see, I'm made to do this. Even though i know one of these day I'll be gone, and u have to replace me with another. I'm ......still happy to do this job. So don't be sad! It worries me!