ज्ञानदृष्टौ प्रसन्नायां प्रबोधे विततोदये ।यथावज्ज्ञास्यसि स्वस्थो मद्वाग्दृष्टिबलाबलम्
In plain words
When the eye of jñāna grows clear, when awakening's rising has spread wide, then, settled in yourself, you shall rightly know the strength or weakness of the vision my words give.