मन्यसे यदि तच्छक्यं मया द्रष्टुमिति प्रभो। योगेश्वर ततो मे त्वं दर्शयाऽत्मानमव्ययम् ॥

manyase yadi tach chhakyaṁ mayā draṣhṭum iti prabho yogeśhvara tato me tvaṁ darśhayātmānam avyayam

If Thou thinkest that by me It can be seen, O Lord, Lord of Yoga, then show me Thine imperishable Self.

In plain words: Arjuna humbly asks Krishna, the master of yoga, to show him his eternal form, but only if Krishna thinks Arjuna is able to see it.