Brahman said Excellent is this question, you highly blessed ones! It is at once auspicious and high and full of mystery. This question that you have put is subtile and conduces to the wellbeing of mankind.
ब्राह्मण उवाच अहो प्रश्नो महाभागा गूढार्थः परमः शुभः। सूक्ष्मः श्रेयांश्च मर्त्यानां भवद्भिः समुदाहृतः॥