Honest disagreement is often a good sign of progress.

If there must be trouble, let it be in my day, that my child may have peace, and this single reflection, well applied, is sufficient to awaken every man to duty.

Those who make peaceful revolution impossible will make violent revolution inevitable.

Beware of allowing a tactless word, a rebuttal, a rejection to obliterate the whole sky.

The ultimate measure of a man is not where he stands in moments of comfort and convenience, but where he stands at times of challenge and controversy.

The thing I hate about an argument is that it always interrupts a discussion.

We can never be sure that the opinion we are endeavoring to stifle is a false opinion; and if we were sure, stifling it would be an evil still.

If ye love wealth better than liberty, the tranquility of servitude better than the animating contest of freedom, go home from us in peace. We ask not your counsels or arms. Crouch down and lick the hands which feed you. May your chains set lightly upon you, and may posterity forget that ye were our countrymen.

You may shoot me with your words, you may cut me with your eyes, you may kill me with your hatefulness, but still, like air, I'll rise.

How could man rejoice in victory and delight in the slaughter of men?

Do not think of knocking out another person's brains because he differs in opinion from you. It would be as rational to knock yourself on the head because you differ from yourself ten years ago.

Man must evolve for all human conflict a method which rejects revenge, aggression, and retaliation. The foundation of such a method is love.

The free flow of conflicting ideas and feelings is critical for creative thinking, for discovering new solutions no one individual would have come to on his own.

The period is now arrived, in which either they or we must change our sentiments, or one or both must fall.

Nothing can now be believed which is seen in the newspaper. Truth itself becomes suspicious by being put into that polluted vehicle.

Lie to a liar, for lies are his coin; steal from a thief, for that is easy; lay a trap for a trickster and catch him at first attempt, but beware of an honest man.

We hang the petty thieves and appoint the great ones to public office.

Without courage, we cannot practice any other virtue with consistency. We can't be kind, true, merciful, generous, or honest.

If you cannot be honest with yourself, there is no hope of being honest with anyone else.

Amid the seeming confusion of our mysterious world, individuals are so nicely adjusted to a system, and systems to one another and to a whole, that, by stepping aside for a moment, a man exposes himself to a fearful risk of losing his place forever.