srutena tapasa va kim
vacobhis citta-vrttibhih
buddhya va kim nipunaya
srutena—by Vedic education; tapasa—by austerities; va—or; kim—what is the meaning; vacobhih—by words; citta—of consciousness; vrttibhih—by the occupations; buddhya—by intelligence; va—or; kim—what is the use; nipunaya—expert; balena—by bodily strength; indriya-radhasa—by power of the senses.
Without devotional service, what is the meaning of severe austerities, the process of hearing, the power of speech, the power of mental speculation, elevated intelligence, strength, and the power of the senses?
From the Upanisads (Mundaka Upanisad 3.2.3) we learn:
nayam atma pravacanena labhyo
na medhaya na bahuna srutena
yam evaisa vrnute tena labhyas
tasyaisa atma vivrnute tanum svam
Our relationship with the Supreme Lord is never advanced by simple study of the Vedas. There are many Mayavadi sannyasis fully engaged in studying the Vedas, Vedanta-sutra and Upanisads, but unfortunately they cannot grasp the real essence of knowledge. In other words, they do not know the Supreme Personality of Godhead. What, then, is the use in studying all the Vedas if one cannot grasp the essence of the Vedas, Krsna? The Lord confirms in Bhagavad-gita (15.15), vedais ca sarvair aham eva vedyah: “By all the Vedas, I am to be known.”
There are many religious systems wherein penances and austerities are greatly stressed, but at the end no one understands Krsna, the Supreme Personality of Godhead. There is therefore no point in such penance (tapasya). If one has actually approached the Supreme Personality of Godhead, he does not need to undergo severe austerities. The Supreme Personality of Godhead is understood through the process of devotional service. In the Ninth Chapter of Bhagavad-gita devotional service is explained as raja-guhyam, the king of all confidential knowledge. There are many good reciters of Vedic literatures, and they recite works such as the Ramayana, Srimad-Bhagavatam and Bhagavad-gita. Sometimes these professional readers manifest very good scholarship and exhibit word jugglery. Unfortunately they are never devotees of the Supreme Lord. Consequently, they cannot impress upon the audience the real essence of knowledge, Krsna. There are also many thoughtful writers and creative philosophers, but despite all their learning, if they cannot approach the Supreme Personality of Godhead, they are simply useless mental speculators. There are many sharply intelligent people in this material world, and they discover so many things for sense gratification. They also analytically study all the material elements, but despite their expert knowledge and expert scientific analysis of the whole cosmic manifestation, their endeavors are useless because they cannot understand the Supreme Personality of Godhead.
As far as our senses are concerned, there are many animals, both beasts and birds, who are very expert in exercising their senses more keenly than human beings. For example, vultures or hawks can go very high in the sky, but can see a small body on the ground very clearly. This means that their eyesight is so keen that they can find an eatable corpse from a great distance. Certainly their eyesight is much keener than human beings’, but this does not mean that their existence is more important than that of a human being. Similarly, dogs can smell many things from a far distance. Many fish can understand by the power of sound that an enemy is coming. All these examples are described in Srimad-Bhagavatam. If one’s senses cannot help him attain the highest perfection of life, realization of the Supreme, they are all useless.

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