Evidence of the existence of God and of the spirits is all around us. They are manifested over everything - from the infinitesimal beings to infinity. Despite this evidence, skeptics, declaring themselves monists, materialists, and atheists, thrive.
In Why I Believe in God - Atheism: A Self-Delusion, I tell how I fell into such a mindset during my adolescence. In my youth, I dared to deny the existence of God and doubted there was a superior being watching and controlling the whole universe.