The downside of being ahead of your time is that your ruins might end up a playground for cavorting druids.
For nearly four thousand years, Stonehenge has been known for its amazing construction, stark beauty, and stoned neo-pagans blasting prog-rock.
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.