There is no royal road to science, and only those who do not dread the fatiguing climb of its steep paths have a chance of gaining its luminous summits. (Preface to the French edition).

Capital is dead labor, which, vampire-like, lives only by sucking living labor, and lives the more, the more labor it sucks.

Crack-brained meddling by the authorities [can] aggravate an existing crisis.

The alienation of man thus appeared as the fundamental evil of capitalist society.

This young lady, who instantly overwhelmed me with her kindness, is the ugliest creature I have seen in my entire life, with repulsive Jewish facial features.

As individuals express their life, so they are. What they are, therefore, coincides with their production, both with what they produce and with how they produce. The nature of individuals thus depends on the material conditions determining their production.

Without doubt, machinery has greatly increased the number of well-to-do idlers.