Sober and expert persons should search for the spirit soul with minds purified through analytical study in terms of the soul’s connection with and distinction from all things that undergo creation, maintenance and destruction.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
अन्वयव्यतिरेकेण विवेकेनोशतात्मना । सर्गस्थानसमाम्नायैर्विमृशद्भिरसत्वरैः
anvayavyatirekeṇa vivekenośatātmanā | sargasthānasamāmnāyairvimṛśadbhirasatvaraiḥ
SB 7.7.24