अथ ह मन उद्गीथमुपासांचक्रिरे तद्धासुराः पाप्मना विविधुस्तस्मात्तेनोभयंसंकल्पते संकल्पनीयंच चासंकल्पनीयं च पाप्मना ह्येतद्विद्धम् ॥ १.२.६ ॥
In plain words
Then they worshipped the mind as the Udgītha. The demons pierced it with evil; and therefore with it one wills both what is worth willing and what is not, for it has been pierced with evil.