“And, consequently, neither am I deceived in knowing that I know.”

Source: Disgrace

Plunkitt of Tammany Hall, Chapter 12, Dangers of the Dress Suit in Politics

Source: The Princess Bride

2009, Nobel Prize acceptance speech (December 2009)
Context: In today's wars, many more civilians are killed than soldiers; the seeds of future conflict are sown, economies are wrecked, civil societies torn asunder, refugees amassed, children scarred.
I do not bring with me today a definitive solution to the problems of war. What I do know is that meeting these challenges will require the same vision, hard work, and persistence of those men and women who acted so boldly decades ago. And it will require us to think in new ways about the notions of just war and the imperatives of a just peace.
We must begin by acknowledging the hard truth: We will not eradicate violent conflict in our lifetimes. There will be times when nations — acting individually or in concert — will find the use of force not only necessary but morally justified.
I make this statement mindful of what Martin Luther King Jr. said in this same ceremony years ago: "Violence never brings permanent peace. It solves no social problem: it merely creates new and more complicated ones." As someone who stands here as a direct consequence of Dr. King's life work, I am living testimony to the moral force of non-violence. I know there's nothing weak — nothing passive — nothing naïve — in the creed and lives of Gandhi and King.
But as a head of state sworn to protect and defend my nation, I cannot be guided by their examples alone. I face the world as it is, and cannot stand idle in the face of threats to the American people. For make no mistake: Evil does exist in the world. A non-violent movement could not have halted Hitler's armies. Negotiations cannot convince al Qaeda's leaders to lay down their arms. To say that force may sometimes be necessary is not a call to cynicism — it is a recognition of history; the imperfections of man and the limits of reason.

Fred Rogers: America's Favorite Neighbor (television documentary), 2003.

Source: Pale Kings and Princes

Highway of Eternity (1986)
Context: He stirred again, halfway between sleep and wakefulness, and he was not alone. Across the fire from him sat, or seemed to sit, a man wrapped in some all-enveloping covering that might have been a cloak, wearing on his head a conical hat that dropped down so far it hid his face. Beside him sat the wolf — the wolf, for Boone was certain that it was the same wolf with which he'd found himself sitting nose to nose when he had wakened the night before. The wolf was smiling at him, and he had never known that a wolf could smile.
He stared at the hat. Who are you? What is this about?
He spoke in his mind, talking to himself, not really to the hat. He had not spoken aloud for fear of startling the wolf.
The Hat replied. It is about the brotherhood of life. Who I am is of no consequence. I am only here to act as an interpreter.
An interpreter for whom?
For the wolf and you.
But the wolf does not talk.
No, he does not talk. But he thinks. He is greatly pleased and puzzled.
Puzzled I can understand. But pleased?
He feels a sameness with you. He senses something in you that reminds him of himself. He puzzles what you are.
In time to come, said Boone, he will be one with us. He will become a dog.
If he knew that, said The Hat, it would not impress him. He thinks now to be one with you. An equal. A dog is not your equal...

Joseph Butler, Human Nature and Other Sermons, "Sermon VII" as quoted in Arnold's "St. Paul and Protestantism" (1870).
Misattributed

American Way (1979)