"You cannot take away one atom of matter or one foot-pound of force. You cannot add to the universe one atom of matter or one foot-pound of force. As such, evolution does not come out of zero; then, where does it come from? From previous involution."

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Every atom is trying to go and join itself to the next atom. Atoms after atoms combine, making huge balls, the earths, the suns, the moons, the stars, the planets. They in their turn, are trying to rush towards each other, and at last, we know that the whole universe, mental and material, will be fused into one.

— Swami Vivekananda