It could be that the purpose of your life is only to serve as a warning to others.
Not every life can be a success, just like not every vessel can be seaworthy. But there’s no shame in being one spectacular shipwreck. (Actually, there is. But we’re not going to kick you while you’re down, Edmund Fitzgerald.)
If you require additional affirmation, get a puppy. The rest of us are trying to work.
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.