Mahabharat Asramavasika Parva Chapter 30:2

Mahabharat Asramavasika Parva (Putradarsana Parva) Chapter 30:2 He then said unto me,—'Thou wilt have a son,' and then went back to the firmament. I continued to live in the inner apartments and desirous of saving the honour of my sire, I cast into the waters my infant son named Karna who thus came into the world secretly. Without doubt, through the grace of that god, I once more became a virgin, O regenerate one, even as the Rishi Durvasas had said unto me. Foolish that I am, although he knew me for his mother when he grew up, I yet made no effort to acknowledge him. This burns me, O regenerate Rishi, as is well-known to thee. Whether it is sinful or not so, I have told thee truth. It behoveth thee, O holy one, to gratify the craving I feel for beholding that son of mine. O foremost of ascetics, let this king also, O sinless one, obtain the fruition today of that wish of his which he cherishes in his bosom and which has become known to thee." Thus addressed by Kunti, Vyasa, that foremost of all persons, said unto her in reply,—"Blessed be thou; all that thou hast said unto me will happen. (As regards the birth of Karna) no fault is ascribable to thee. Thou wert restored to virginity. The deities are possessed of (Yoga) puissance. They are able to penetrate human bodies. There are deities. They beget (offspring) by thought alone. By word, by sight, by touch, and by sexual union, also, they beget children. These are the five methods. Thou belongest to the order of humanity. Thou hast no fault (in what happened). Know this, O Kunti. Let the fever of thy heart be dispelled. For those that are mighty, everything is becoming. For those that are mighty, everything is pure. For those that are mighty, everything is meritorious. For those that are mighty, everything is their own.