From Volume 8 of The Complete Works of Swami Vivekananda, chapter -III, ‘Notes Of Class Talks And Lectures’
There is much difference in manifested beings. As a manifested being you will never be Christ. Out of clay, manufacture a clay elephant, out of the same clay, manufacture a clay mouse. Soak them in water, they become one. As clay, they are eternally one; as fashioned things, they are eternally different. The Absolute is the material of both God and man. As Absolute, Omnipresent Being, we are all one; and as personal beings, God is the eternal master, and we are the eternal servants.
You have three things in you: (1) the body, (2) the mind, (3) the spirit. The spirit is intangible, the mind comes to birth and death, and so does the body. You are that spirit, but often you think you are the body.
When a man says, “I am here”, he thinks of the body. Then comes another moment when you are on the highest plane; you do not say, “I am here”. But if a man abuses you or curses you and you do not resent it, you are the spirit. “When I think I am the mind, I am one spark of that eternal fire which Thou art; and when I feel that I am the spirit, Thou and I are one”– so says a devotee to the Lord. Is the mind in advance of the spirit?
God does not reason; why should you reason if you knew? It is a sign of weakness that we have to go on crawling like worms to get a few facts and build generalisations, and then the whole thing tumbles down again. The spirit is reflected in the mind and everything. It is the light of the spirit that makes the mind sensate. Everything is an expression of the spirit; the minds are so many mirrors. What you call love and fear, hatred, virtue, and vice are all reflections of the spirit; only when the reflector is base the reflection is bad.