Bhishma said An understanding associated with evil, makes the mind fall into sin. In this state one stains his deeds, and then falls into great distress.
भीष्म उवाच आत्मनानर्थयुक्तेन पापे निविशते मनः। स कर्म कलुषं कृत्वा क्लेशे महति धीयते॥