Just because you're necessary doesn't mean you're important.
You might think you’re just a gear in the machine, but that’s not true. Gears are delicate, important, and expensive to replace.
If a pretty poster and a cute saying are all it takes to motivate you, you probably have a very easy job. The kind robots will be doing soon.
When you wish upon a falling star, your dreams can come true. Unless it's really a meteorite hurtling to the Earth which will destroy all life. Then you're pretty much hosed no matter what you wish for. Unless it's death by meteor.