Skandapurana 7.19.p42

7.19.p42

974
tatrātmā sūkṣmasaṃlakṣyaḥ prāguktastiṣṭhati dvija .
yā prabhā durdṛśā tasya tāṃ bhajed yogavinmuniḥ .. 1 6. .
tattejaḥ sarvanāḍīṣu vibhaktaṃ sarvadehinām .
tena nāḍyo bahiḥ sparśānmanaḥ kurvanti vistṛtam . . 17..

974
There stands the Self, to be perceived subtly, as mentioned before, O twice-born.
Whatever light of it is difficult to see, the sage knowing yoga should worship that. (16)
That splendor is distributed in all channels of all embodied beings;
by that, through external touches, the channels expand the mind. (17)