“Safeguard your weaknesses, for your enemy will always use them against you. But more importantly …” He raised a single bony finger, waving it rhythmically to the cadence of his words. “Safeguard your true strengths. If he knows not what you are capable of, he will always underestimate you.” He fixed his unflinching eyes on mine. “And you are not to be underestimated.”
Book:Relativity