Yudhishthira said Tell me, O grandfather, what is the spiritual science of man and whence does it originate.
युधिष्ठिर उवाच अध्यात्मं नाम यदिदं पुरुषस्येह विद्यते। यदध्यात्मं यतश्चैव तन्मे ब्रूहि पितामह॥