Text 14]
The History of the Life of Ajāmila
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āruhya kṛcchreṇa paraṁ padaṁ tataḥ patanty adho 'nādṛta-yuṣmad-aṅghrayaḥ  (Bhāg. 10.2.32)
Because of ignorance, one speculatively thinks himself liberated from material contamination although actually he is not. Therefore even if one rises to  brahma-jñāna , understanding of Brahman, one nevertheless falls down because of not taking shelter of the lotus feet of Kṛṣṇa. Nonetheless,  jñānīs  at least know what is sinful and what is pious, and they very cautiously act according to the injunctions of the  śāstras .
TEXTS 13-14
तपसा ब्रह्मचर्येण शमेन च दमेन च ।   त्यागेन सत्यशौचाभ्यां यमेन नियमेन वा ॥१३॥   देहवाग्बुद्धिजं धीरा धर्मज्ञाः श्रद्धयान्विताः ।   क्षिपन्त्यधं महदपि वेणुगुल्ममिवानलः ॥१४॥
tapasā brahmacaryeṇa śamena ca damena ca tyāgena satya-śaucābhyām yamena niyamena vā
deha-vāg-buddhijam dhīrā dharmajñāḥ śraddhayānvitāḥ kṣipanty aghaṁ mahad api veṇu-gulmam ivānalaḥ
tapasā —by austerity or voluntary rejection of material enjoyment;  brahmacaryeṇa —by celibacy (the first austerity);  śamena —by controlling the mind;  ca —and;  damena —by fully controlling the senses;  ca —also;  tyāgena —by voluntarily giving charity to good causes;  satya —by truthfulness;  śaucābhyām —and by following regulative principles to keep oneself internally and externally clean;  yamena —by avoiding cursing and violence;  niyamena —by regularly chanting the holy name of the Lord;  vā —and;  deha-vāk-buddhi-jam —performed by the body,