Kurma Purana — Uttara Bhaga, Shloka 66
Daily Duties of Brāhmaṇas: Snāna, Sandhyā, Sūrya-hṛdaya, Japa, Tarpaṇa, and the Pañca-mahāyajñas
द्रुपदां वा त्रिरभ्यस्येद् व्याहृतिप्रणवान्विताम् / सावित्रीं वा जपेद् विद्वान् तथा चैवाघमर्षणम्
drupadāṃ vā trirabhyasyed vyāhṛtipraṇavānvitām / sāvitrīṃ vā japed vidvān tathā caivāghamarṣaṇam
或者，应当连同圣音 vyāhṛti“bhūḥ、bhuvaḥ、svaḥ”与普拉纳瓦“唵(Oṁ)”，将三足的伽雅特丽赞歌诵念三遍。又或者，智者当持诵萨维特丽（伽雅特丽咒），并同样持诵阿伽摩尔沙那——能涤除罪垢的圣颂。
Narrator (Purāṇic discourse voice, traditionally Sūta reporting the teaching of sages)
Primary Rasa: shanta
FAQs
Indirectly: it presents mantra-japa as a purifying discipline that steadies buddhi and removes pāpa-obstructions, preparing the practitioner for Self-knowledge (ātma-jñāna) taught elsewhere in the Kurma Purāṇa.
Mantra-yoga through regulated japa/recitation—Gāyatrī with vyāhṛtis and Oṁ, and the Aghamarṣaṇa—used as prāyaścitta and as a daily sādhana for inner purification and concentration.
It does not explicitly mention Śiva–Viṣṇu unity; it emphasizes shared Vedic foundations (Oṁ, vyāhṛtis, Gāyatrī) that both Śaiva and Vaiṣṇava traditions in the Kurma Purāṇa accept as common purificatory and yogic practice.