Skandapurana 1.4.2.17

1.4.2.17

tatastaṃ prāha khe vāṇī ślokamekaṃ nṛpa śrṛṇu..
dvihetu ṣaḍadhiṣṭhānaṃ ṣaḍaṃgaṃ ca dvipākayuk.. 4.17 ..

Then an incorporeal voice in the sky said to him: 'Hear one verse, O king:
"With two motives, six foundations, six limbs, and two fruits;