Believe in them no, if I were a "believer" I'd be in church
I do contemplate and experiment with these ideas as I have for a while. I doubt I'll find an answer soon as answers always include some degree of blind faith. In my opinion Steve offers a lot of great perspectives to approach the subject matter with but is by no means the definitive answer.
LoA shows results, as long as action energy is taken as well. So I do play with this frequently.
The though of one consciousness on earth / universe is VERY easy to comprehend if you look at it with a subjective perspective. Your trying to experience subjective reality by using objective reality.