There are two kinds of "positve". You have what Michael Tsarion calls "the smiling depressives" and you have what we will call "empowered positive".
The smiling depressives are "positive" on the surface only. They are like pandoras box with a smile plastered on top of it. This is a very common symptom on this planet. Its a symptom of not knowing about or how to or wanting to face themselves in order to grow/evolve. As we all know people here are brainwashed into believing that they must be "perfect" from day 1 and not that they are here to evolve/grow/learn.
Being empowered positive is different. Then your positivity does not depend so much on surface and outside events. It's simply your natural being. It is very independent, and the "paradox" is that this kind of positivity can actually change things in a major way. In fact, it is the only thing that CAN and will. We really need to remind each other that we are here on a mission to anchor in as much Light as possible. The more we can raise the level of mass consciousness the smoother and faster the transmutation will go.
I suggest this manual for everyone who feels drawn to these ideas. Its really fun and empowering to read. Down-to-earth, yet very profound. Gallows-humor that takes the edge of things in a major way

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E.T. 101 - The Cosmic Instruction Manual"