How do you meditate on your own Self when you don’t know your own Self?  In one way, it’s kind of like you lived in a cave your whole life and I tried to teach you to meditate on the sun or the moon.  You wouldn’t know what they are.  This is why the mantra names your own Self..

—  Gurudevi Nirmalananda

From Gurudevi’s full discourse “Meditating on Your Own Self“