The third root mitzvah that Rabbi Shimon Bar Yochai brings in the Zohar is that of declaring God’s unity in the six words that make up the Shema. This declaration of the unity of the Creator is the first thing we learn as little children and the last thing we say when we die. In the morning and in the evening, as the day begins and ends, we affirm with our words this fundamental unity. Why?
Life itself is not uniform. It seems chaotic. We experience all extremes from dreadful to tremendous. Yet we affirm the unity of the Creator and the underlying unity of the acts of the One. These six words transform our lives from meaningless into purposeful.
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