The more a ruling class is able to assimilate the most prominent men of a ruled class, the more solid and dangerous its rule.

All freed, fast-frozen relations, with their train of ancient and venerable prejudices and opinions, are swept away, all new-formed ones become antiquated before they can ossify. 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.

A man cannot become a child again, or he becomes childish.

Be careful to trust a person who does not like wine.

In proportion as the bourgeoisie, i.e., capital, is developed, in the same proportion is the proletariat, the modern working class, developed - a class of labourers, who live only so long as they find work, and who find work only so long as their labour increases capital. These labourers, who must sell themselves piecemeal, are a commodity, like every other article of commerce, and are consequently exposed to all the vicissitudes of competition, to all the fluctuations of the market.

Since only what is material is perceptible, knowable, nothing is known of the existence of God.

The more the division of labor and the application of machinery extend, the more does competition extend among the workers, the more do their wages shrink together.