Henry David Thoreau
The mass of men lead lives of quiet desperation.
Walden, or, Life in the Woods



Georg Hegel
Self-consciousness exists in and for itself when, and by the fact that, it so exists for another; that is, it exists only in being acknowledged
The Phenomenology of Spirit



Vladimir Ilyich Lenin
The substitution of the proletarian for the bourgeois state is impossible without a violent revolution.
The State and Revolution



John Searle
In general, I feel if you can't say it clearly you don't understand it yourself.
The Philosophers' Magazine, Autumn 1999



Carol Gilligan
The blind willingness to sacrifice people to truth, however, has always been the danger of an ethics abstracted from life.
In a Different Voice