" A good undercover agent stays as close to the truth as possible, as close to your own personality and your own values as possible. This is the way you stay in character – you try to be yourself. "
- Joseph D. Pistone

In simple terms, this quote emphasizes the importance of staying true to oneself when undercover. An agent should aim to blend their genuine personality and values into their role, rather than completely fabricating a new persona. This approach helps them maintain credibility and authenticity within the community they are infiltrating.

The deeper meaning behind this advice lies in the psychological balance an undercover agent must maintain. By staying close to one's true self, an agent can avoid the mental strain of maintaining a false identity over long periods. It also suggests that genuine behaviors are harder for others to scrutinize and detect as fake, thus enhancing their effectiveness and safety. Moreover, adhering closely to personal values might prevent ethical dilemmas and moral compromises that could arise from fully adopting a new persona.

Joseph D. Pistone is the author of this quote, known widely by his undercover alias "Donnie Brasco." A former FBI agent with extensive experience in criminal investigations, Pistone specialized in infiltrating organized crime networks. His insights into covert operations come from firsthand experiences and are highly regarded within law enforcement circles for their practical wisdom and ethical considerations.