Bhishma said Thus have I recited to you the excellent discourse between the Saddhyas (and the Swan). The body is the origin of acts, and existence or individual Soul is truth.
भीष्म उवाच संवादं इत्ययं श्रेष्ठः साध्यानां परिकीर्तितः। क्षेत्रं वै कर्मणां योनिः सद्भावः सत्यमुच्यते॥