Sanskrit: स्वबोधे नान्यबोधेच्छा बोधरूपतयात्मनः।  न दीपस्यान्यदीपेच्छा यथा स्वात्मप्रकाशने।   
English:  A lighted-lamp does not need another lamp to illumine its light. So too, Atman which is Knowledge itself needs no other knowledge to know it.