That agent is called dark, who is without application, void of discernment, headstrong, crafty, malicious, lazy, melancholy, and slow. Now hear, O Dhanangaya! the threefold division of intelligence and courage, according to qualities, which I am about to declare exhaustively and distinctly. That intelligence, O son of Pritha! is good which understands action and inaction, what ought to be done and what ought not to be done, danger and the absence of danger, emancipation and bondage.