Hanks builds to this line after a sustained meditation on truth and its enemies. He's described how truth is now considered 'malleable by opinion and by zero-sum endgames,' how imagery is manufactured with phrases like 'I'm just saying' and 'I'm just asking,' how literally you cannot believe your eyes because your ears will help others lie to you. He's named truth's opposites — omission, distraction, opinion masquerading as clairvoyance, influence peddling — and its nemesis: indifference. Then he offers graduates a choice: they can embrace liberty and freedom for all, they can oppose it, or they can be indifferent. Only the first group does the work of creating a more perfect union. His final declaration — that the effort is optional but the truth is sacred — frames civic participation as a moral choice, not a requirement, but one with permanent consequences.