"All that is solid melts into air, all that is holy is profaned, and man is at last compelled to face with sober senses his real conditions of life, and his relations with his kind."

"The more you develop, the more you discover that you are not an individual but merely a part of a collective."

"A proletarian forced to exist under such conditions is truly a being without will, without self-respect, without any sense of responsibility."

"The ruling ideas of each age have ever been the ideas of its ruling class."

"The bourgeoisie has stripped of its halo every occupation hitherto honoured and looked up to with reverent awe. It has converted the physician, the lawyer, the priest, the poet, the man of science, in…"