He who thus knows this Gâyatra interwoven in the prânas, keeps his senses, reaches the full life, he lives long, becomes great with children and cattle, great by fame. The rule of him who thus meditates on the Gâyatra is, "Be not high-minded."
In plain words: Whoever understands the Gâyatra chant this way keeps all their senses, lives a long, full life, and is blessed with family, wealth and a good name. The rule for such a person is: do not be proud.