Verse 18

सुन्दर्या निजया बुद्ध्या प्रज्ञयेव वयस्यया ।पदमासाद्यते राम न नामक्रिययान्यया

In plain words

By one's own lovely buddhi, as by a companion who is prajñā, is that state reached, O Rāma -- not, indeed, by any other act.