The Three ideas of Reason in Kant are
The Relative Universe
The Relative Ego
The Relative Supreme
They are known as the Three Perpetual Symbols in Aurobindo. They exist as Symbols in the Universal Mind.
At the subatomic level, the invisible realm, many things are happening. The Electron is both a particle and a wave. Matter, at its subtlest level, is the Vaccum State.
The best use one can get from symbols is a description of Reality, maximal and incomplete. Symbols and experience are part of Eastern Mysticism. One should go beyond symbols into the realm of experience.
Consciousness is like a mirror and it is filled with the perceptions of the outer world and never experiences its true nature. Go beyond Symbolisms and experience the Self !