If it is true that...

The bourgeoisie has ended all feudal, patriarchal, idyllic relations and replaced them with naked self-interest and cash payment

and

The bourgeoisie has converted the physician, lawyer, priest, poet, and man of science into its paid wage laborers

and

The bourgeoisie has reduced the family relation to a mere money relation

Then it must be true that...

The bourgeoisie cannot exist without constantly revolutionizing the instruments of production and thereby the relations of production and the whole relations of society