What is something you believe is true but it’s not true actually ?

I always have been living in the wrong mentality that as time goes by things get better. But I guess things really don’t get better if you don’t take actions and works towards your problems or goals. I also believed that on someone will save us during hardships but nobody really does, you are literally on your own. I believed that someone still spy’s on computer camera even when your not using it so I put a tape