If you begin to be what you are, you will realise everything, but to begin to be what you are, you must first come out of what you are not. You are not those thoughts which are turning, turning in your mind. You are not those changing feelings. You are not the different decisions you make and the different wills you have. You are not that separate ego. Well then, what are you?

Shantananda Saraswati (1913 CE-1997 CE), Shantananda Saraswati Indian spiritual teacher, Shankaracharya of the Jyotir Math monastery from 1953 to 1980, he was a disciple of Brahmananda Saraswati and succeeded him as Shankaracharya.