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 depends upon the strength of mind. It must be unceasing even when one is engaged in work. Particular time for it is meant for novices.
Ramana MaharshiSense-perceptions can only be indirect knowledge, and not direct knowledge. Only one's own awareness is direct knowledge.
Ramana Maharshi