The Self alone exists. When you try to trace the ego, which is the basis of the perception of the world and everything else, you find the ego does not exist at all and neither does all this creation that you see.
Ramana MaharshiMeditation is sticking to one thought. That single thought keeps away other thoughts; distraction of mind is a sign of its weakness; by constant meditation it gains strength.
Ramana MaharshiPeace is for the purification of one's mind. Power is for the growth of the community. Having established the community with power, one should then establish supreme peace.
Ramana Maharshi