Symbols - What does heaven look like
If we look at a simple drawing showing a person wearing a bowler hat you can see that it resembles the egg and the cross combined. The Universe is an Egg, a person and their aura is an egg and the atom is egg shaped, thus the shape appears at every level of the universe repeated. In this case, the Egg is not the universe but a human.
Generally speaking, a bowler hat is black, thus additional symbolism is added by the combination of darkness and light. Note that a person with dark skin to complete the symbolism should wear a white hat.
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