Bhagavadgītā-4comm with the commentaries · Chapter 75

baladevaḥ -
bhakty-uddīpti-karaṃ svasya pāramaiśvaryam adbhutam |
sva-bhakteś ca mahotkarṣaṃ navame harir ūcivān ||
vijñānānanda-ghano 'saṅkhyeya-kalyāṇa-guṇa-ratnālayaḥ sarveśvaro 'haṃ śuddha-bhakti-sulabha iti saptamādibhyām abhidhāyedānīṃ bhakter uddīpakaṃ nijaiśvaryaṃ tasyāḥ prabhāva`acābhidhāsyann ādau tāṃ stauti idam iti tribhiḥ | idaṃ jñānaṃ mat-kīrtanādi-lakṣaṇa-bhakti-rūpam | paratra dharmasyāsya ity ukteḥ | kīrtanādeś cic-chakti-vṛttitvāt | jñāyate 'nena iti nirukteś ca | tat kila guhyatamam | dvitīyādāv upadiṣṭaṃ mad-aiśvarya-jñānaṃ guhyataram ity arthaḥ | navamādāv upadeśyaṃ tu kevala-bhakti-lakṣaṇam idaṃ jñānaṃ guhyatamam ity arthaḥ | tac ca vijñāna-sahitaṃ mad-anubhavāvasānaṃ
te vakṣyāmi | kīdṛśāyety āha anasūyava iti | mad-guṇeṣu doṣāropa-rahitāya durgamasya sva-rahasyasyānukampayopadeṣṭari mayi nijaiśvarya-prakhyāpanenātmānaṃ praśaṃsasīti doṣa-dṛṣṭi-śūnyāyety arthaḥ | tenānyo 'py etad anasūyaṃ prati brūyād iti darśitam | yaj jñātvā tvam aśubhāt saṃsārān mokṣyase

BhG 9.2
rāja-vidyā rāja-guhyaṃ pavitram idam uttamam |
pratyakṣāvagamaṃ dharmyaṃ susukhaṃ kartum avyayam