# Kaṭha Upaniṣad [[cc/adi/4/26#purport|Ādi 4.26]], [[cc/adi/5/41#purport|Ādi 5.41]], [[cc/adi/6/14–15#purport|Ādi 6.14–15]], [[cc/adi/7/10#purport|Ādi 7.10]], [[cc/adi/7/112#purport|Ādi 7.112]], [[cc/adi/16/81#purport|Ādi 16.81]], [[cc/madhya/6/87#purport|Madhya 6.87]], [[cc/madhya/8/310#purport|Madhya 8.310]], [[cc/madhya/9/126#purport|Madhya 9.126]], [[cc/madhya/9/194#purport|Madhya 9.194]], [[cc/madhya/11/37#purport|Madhya 11.37]], [[cc/madhya/12/61#purport|Madhya 12.61]], [[cc/madhya/20/248#purport|Madhya 20.248]]