You can't handle the truth.
(In short: Truth is unbearable).
This line, delivered by Colonel Jessup, encapsulates a philosophy of elitist paternalism that justifies moral compromise for the sake of perceived national security. It suggests that the "truth"—the brutal, often violent reality required to maintain order—is a burden too heavy for the average citizen, who prefers the comfort of ignorance. Ultimately, the aphorism exposes a dangerous worldview where power is wielded by those who believe they are uniquely qualified to sacrifice ethics for the sake of a fragile, manufactured peace.