One verse

Bhagavad Gita 11.54

11.54

भक्त्या त्वनन्यया शक्य अहमेवंविधोऽर्जुन | ज्ञातुं द्रष्टुं च तत्त्वेन प्रवेष्टुं च परन्तप ||११-५४||

bhaktyā tvananyayā śakya ahamevaṃvidho.arjuna . jñātuṃ draṣṭuṃ ca tattvena praveṣṭuṃ ca parantapa ||11-54||

bhaktyā
by devotional service
tu
but
ananyayā
without being mixed with fruitive activities or speculative knowledge
śakyaḥ
possible
aham
I
evam-vidhaḥ
like this
arjuna
O Arjuna
jñātum
to know
draṣṭum
to see
ca
and
tattvena
in fact
praveṣṭum
to enter into
ca
also
param-tapa
O subduer of the enemy

My dear Arjuna, only by undivided devotional service can I be understood as I am, standing before you, and can thus be seen directly. Only in this way can you enter into the mysteries of My understanding.