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 MaharshiFood affects the mind. For the practice of any kind of yoga, vegetarianism is absolutely necessary since it makes the mind more pure and harmonious.
Ramana MaharshiSense-perceptions can only be indirect knowledge, and not direct knowledge. Only one's own awareness is direct knowledge.
Ramana Maharshi