The Soul cannot be seen with the help of the eye, or with that of all the senses. Getting over all, the Soul can be seen by only the light of the mind's lamp.
न ह्ययं चक्षुषा दृश्यो न च सर्वैरपीन्द्रियैः। मनसा तु प्रदीपेन महानात्मा प्रकाशते॥