The senses cannot lead to the success of the mind. The mind cannot apprehend the Understanding. The Understanding cannot apprehend the manifested Soul. The Soul, however, which is subtile, sees these all.
नेन्द्रियैर्मनसः सिद्धिर्न बुद्धिं बुद्ध्यते मनः। न बुद्धिर्बुद्ध्यतेऽव्यक्तं सूक्ष्मं त्वेतानि पश्यति॥