What is the fine-grained topic of the following text: Later in the same Upanishad (III-2.4) it says, ‘It is not only by a man devoid of spiritual strength or a man overcome by delusion that the Atman is unattainable, it is not attainable even by one who is doing the austerities but who is ‘alinga’, that is, one devoid of the symbol that represents sannyAsa’. Only return the topic.
Spiritual requirements for attaining Atman according to the Upanishads