Forms, images, bells, books, temples, and all holy symbols are very good, very helpful to the growing plant of spirituality, but thus far and no farther. In the test majority of cases, we find that the plant does not grow. It is very good to be born within the limits of certain forms that help the little plant of spirituality, but if a man dies within the bounds of these forms, it shows that he has not grown, that there has been no development of the soul.
If, therefore, any one says that symbols, rituals, and forms are to be kept forever, he is wrong; but if he says, that these symbols and rituals are a help to the growth of the soul, in its low and undeveloped state, he is right. But, you must not mistake this development of the soul as meaning anything intellectual.
A man can be of gigantic intellect, yet spiritually he may be a baby. You can verify it this moment. All of you have been taught to believe in an Omnipresent God. Try to think of it. How few of you can have any idea of what omnipresence means! If you struggle hard, you will get something like the idea of the ocean, or of the sky, or of a vast stretch of green earth, or of a desert. All these are material images, and so long as you cannot conceive of the abstract as abstract, of the ideal as the ideal, you will have to resort to these forms, these material images. It does not make much difference whether these images are inside or outside the mind.
We are all born idolaters, and idolatry is good, because it is in the nature of man. Who can get beyond it? Only the perfect man, the God-man. The rest are all idolaters. So long as we see this universe before us, with its forms and shapes, we are all idolaters. This is a gigantic symbol we are worshipping. He who says he is the body is a born idolater.
We are spirit, spirit that has no form or shape, spirit that is infinite, and not matter. Therefore, anyone who cannot grasp the abstract, who cannot think of himself as he is, except in and through matter, as the body, is an idolater. And yet how people fight among themselves, calling one another idolaters. Therefore, we should get rid of these childish notions. We should get beyond all these and look at humanity as one vast organism, slowly coming towards light — a wonderful plant, slowly unfolding itself to that wonderful truth which is called God — and the first gyrations, the first motions, towards this are always through matter and through ritual.
From The Complete Works of Swami Vivekananda, (Kolkata: Advaita Ashrama, 2016), 2.39-41.