Divine Philosophy by -'Abdu'l-Bahá- 1 Para

It is no proof of intelligence to reject everything which does not strike the senses. Nay, rather, such a one is brother to the animal. The cow has no idea of God; she does not know the soul. So the only difference between her highness the cow and a materialistic philosopher is that the latter takes a great deal of trouble! It is not a special or exclusive privilege to be the prisoner of one's senses; the cow is the example of this theory. (94:5)

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