This book by Ryan Holiday was recommended to me by Amazon. It's a very motivating piece of work. I read the preface and was captivated. He asked, "Whatever we face, we have a choice: Will we be blocked by obstacles, or will we advance through and over them? ... Will you stand up and show us what you're made of?"
Bad companies are destroyed by crisis. Good companies survive them. Great companies are improved by them. Great individuals like great companies find a way to transform weakness into strength. It's a rather amazing and even touching feat. They took what should have held them back--what in fact might be holding you back right this very second--and used it to move forward.
Not "be positive" but learn to be ceaselessly creative and opportunities. Not: This is not so bad. But: I can make this good.
We decide what we will make of each and every situation. We decide whether we'll break or whether we'll resist. We decide whether we'll assent or reject. No one can force us to give up or to believe something that is untrue (such as, that a situation is absolutely hopeless or impossible to improve). Our perceptions are the thing that we're in complete control of. They can throw us in jail, label us, deprive us of our possessions, but they'll never control our thoughts, our beliefs, our reactions. Which is to say, we are never completely powerless.
If we have our wits fully about us, we can step back and remember that situations, by themselves, cannot be good or bad. This is a judgment that we as human beings bring to them with our perceptions. There is no good or bad without us, there is only perception. There is the event itself and the story we tell ourselves about what it means. A mistake becomes training.
Just because your mind tells you that something is awful or evil or unplanned or otherwise negative doesn't mean you have to agree. Just because other people say that something is hopeless or crazy or broken to pieces doesn't mean it is. We decide what story to tell ourselves. Or whether we will tell one at all.
The observing eye sees events, clear of distractions, exaggerations, and misperceptions. The perceiving eye sees "insurmountable obstacles" or "major setbacks" or even just "issues". It brings its own issues to the fight. The former is helpful, the latter is not.