Skandapurana 5.30.12

5.30.12

haṃsādya tava tuṣṭo'haṃ tasmātprārthaya vāṃchitam ..
ahaṃ te saṃpradāsyāmi duṣprāpyamapi niścitam .. 12 ..

“O Haṃsa, today I am pleased with you; therefore, ask for what you desire; / I shall certainly grant it to you, even if it is difficult to attain.”