Narada Purana — Purva Bhaga, Shloka 150
The Description of the Worship of Rāma and Others
Rāmādi-pūjā-vidhāna
न तेषां जायते सिद्धिर्हानिरेव पदे पदे । यो जपेल्लक्ष्मणमनुं नित्यमेकांतमास्थितः ॥ १५० ॥
na teṣāṃ jāyate siddhirhānireva pade pade | yo japellakṣmaṇamanuṃ nityamekāṃtamāsthitaḥ || 150 ||
对他们而言，成就并不生起；反而步步皆招损失。（此即）纵常住独处清净之境，却仍日日诵持罗什曼那真言（而失于正序）之人之情形。
Narada (teaching within a technical/ritual-mantra context of Book 1.3)
Vrata: none
Primary Rasa: raudra
Secondary Rasa: bhayanaka
FAQs
It warns that mantra-repetition done in an improper or unsuitable way can lead to spiritual non-attainment—no siddhi—and even progressive decline, despite outward signs like solitude and regularity.
It implies that true devotion is not merely mechanical japa or external austerity; the inner orientation and correct sambandha (right connection to the deity/mantra and method) are essential for bhakti to mature into fruit.
It reflects a technical mantra-discipline principle: correct mantra choice and proper procedure (prayoga/vidhi) matter for results—an applied, rule-based approach aligned with Vedanga-style precision (especially śikṣā/phonetics and ritual method).