Can we know all there is to know? Will there be any limit of knowledge? And if we can use 10-15% brain, so don’t you think our concept of God is from that small usage of our mind? I would highly appreciate your answer.
Our limited concept of God is related to our limited self-awareness, not our brain as such. There may a limit on our capacity to store and remember information, but the only limit on our capacity to understand and gain knowledge is only limited by our state of consciousness.