Hence these four topics, which are covered by these four considerations, should be understood. One who understands all this is never stupefied when he tries to form conclusions.
तस्माच्चतुष्टयं वेद्यमेतैर्हेतुभिरावृतम्। यथासंज्ञो ह्ययं सम्यगन्तकाले न मुह्यति॥