B.G 4.34
तद्विद्धि प्रणिपातेन परिप्रश्रेन सेवया। उपदेक्ष्यन्ति ते ज्ञानं ज्ञानिनस्तत्वदर्शिनः ॥३४॥
tadviddhi praṇipātena paripraśrena sevayā। upadekṣyanti te jñānaṁ jñāninastatvadarśinaḥ ॥34॥
[तत् विद्धि प्रणिपातेन परिप्रश्रेन सेवया। उपदेक्ष्यन्ति ते ज्ञानं ज्ञानिनः तत्व दर्शिनः॥
tat = therefore; viddhi = seek to understand; praṇipātena = by surrender; paripraśrena = by inquiry; sevayā = by service;। upadekṣyanti = will impart; te = to you; jñānaṁ = knowledge; jñāninaḥ = the knowledgeable / wise; tatva darśinaḥ = who have visioned the true principles;]
Therefore, seek to understand by surrender, by inquiry, and by service. The wise who have envisioned truth and its principles will then impart knowledge to you.
Gīta Tātparya 4.34
Krishna himself will impart the said knowledge, starting from verse 7.2.
ज्ञानं तेऽहं सविज्ञानमिति वक्ष्यमाणत्वात् स्वयमेव उपदेक्ष्यति ॥३४॥
jñānaṁ te'haṁ savijñānamiti vakṣyamāṇatvāt svayameva upadekṣyati ॥34॥
[jñānaṁ te'haṁ = In the verse 7.2 starting with 'jñānaṁ te'haṁ', i.e. I will give you knowledge; savijñānamiti = the complete knowledge; vakṣyamāṇatvāt = is going to be spoken;svayameva = by myself; upadekṣyati = will impart;]
The lord himself will impart the stated complete knowledge at 7.2, as stated in the verse 'jñānaṁ te'haṁ', i.e. I will give you knowledge.