The Personality of Godhead said: My dear Dhruva, son of the King, you have executed pious vows, and I also know the desire within your heart. Although your desire is very ambitious and very difficult to fulfill, I shall favor you with its fulfillment. All good fortune unto you.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
श्रीभगवानुवाच । वेदाहं ते व्यवसितं हृदि राजन्यबालक । तत्प्रयच्छामि भद्रं ते दुरापमपि सुव्रत
śrībhagavānuvāca | vedāhaṃ te vyavasitaṃ hṛdi rājanyabālaka | tatprayacchāmi bhadraṃ te durāpamapi suvrata
SB 4.9.19