"Hegel remarks somewhere that all great world-historic facts and personages appear, so to speak, twice. He forgot to add: the first time as tragedy, the second time as farce."

"Workers of the world unite; you have nothing to lose but your chains."

"Religion is the sigh of the oppressed creature, the feelings of a heartless world, just as it is the spirit of unspiritual conditions. It is the opium of the people."

"Necessity is blind until it becomes conscious. Freedom is the consciousness of necessity."

"The future is clear. It's going to fall apart. What's the use of worrying?"

"The foundation of joy is the roots of true happiness grow deep in the present moment."

"The man who goes alone can start today but he who travels with another must wait till that other is ready."

"While negativity is politically useful, it is also demoralizing unless it is accompanied - and to some extent overshadowed - by elevated and inspiring ideas about the American future."