The Compendium of Caraka 4.3.4_4

4.3.4_4

yadyayamātmā++ātmānaṃ śakto janayituṃ syāt, na tvenamiṣṭāsveva kathaṃ yoniṣu janayedvaśinamapratihatagatiṃ kāmarūpiṇaṃ tejobalajavavarṇasattvasaṃhananasamuditamajaramarujamamaram; evaṃvidhaṃ hyātmā++ātmānamicchatyato vā bhūyaḥ//

If this self were capable of generating itself, why would it not generate itself only in desired wombs, self-controlled, of unhindered movement, able to assume any form at will, endowed with fiery energy, strength, speed, complexion, mind, and compactness, free from old age, free from disease, and immortal? For the self desires itself to be of such a nature or even greater.