It interrupts any doing, any ordinary activities, no matter what they happen to be. All thinking demands a stop-and-think.

Love, by its very nature, is unworldly, and it is for this reason rather than its rarity that it is not only apolitical but antipolitical, perhaps the most powerful of all antipolitical forces.

Man's chief moral deficiency appears to be not his indiscretions but his reticence.

His [Marx's] most explosive and indeed most original contribution to the cause of revolution was that he interpreted the compelling needs of mass poverty in political terms as an uprising, not for the sake of bread or wealth, but for the sake of freedom as well.

Even in the darkest of times we have the right to expect some illumination, and ... such illumination may well come less from theories and concepts than from the uncertain, flickering, and often weak light that some men and women, in their lives and their works, will kindle under almost all circumstances and shed over the time-span that was given them on earth.

All political institutions are manifestations and materializations of power; they petrify and decay as soon as the living power of the people ceases to uphold them.

The practice of violence, like all action, changes the world, but the most probable change is a more violent world.