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The essence of faith is fewness of words and abundance of deeds.

"Tablets of Bahá'u'lláh Revealed After the Kitáb-i-Aqdas (Asl-i-Kullu'l-Khayr (Words of Wisdom))". Book by Bahá'u'lláh, 1978.
The essence of faith is fewness of words and abundance of deeds.