Wherever The Want Of Clothing Forced Them

The Bourgeoisie Cannot Exist Without Constantly Revolutionizing The Instruments Of Production, And Thereby The Relations Of Production, And With Them The Whole Relations Of Society.

Although Usury Is Itself A Form Of Credit In Its Bourgeoisified Form, The Form Adapted To Capital , In Its Pre-bourgeois Form It Is Rather The Expression Of The Lack Of Credit .

Once The Inner Connection Is Grasped, All Theoretical Belief In The Permanent Necessity Of Existing Conditions Collapses Before Their Collapse In Practice -- Letter To Ludwig Kugelmann (july 11, 1868)

While The Miser Is Merely A Capitalist Gone Mad, The Capitalist Is A Rational Miser.

Merely Quantitative Differences, Beyond A Certain Point, Pass Into Qualitative Changes.