The key problem is to find ...

The key problem is to find out why that sector of society of the past, which I would not hesitate to call capitalist, should have lived as if in a bell jar, cut off from the rest; why was it not able to expand and conquer the whole of society?... [Why was it that] a significant rate of capital formation was possible only in certain sectors and not in the whole market economy of the time?
 Fernand Braudel

Quotes from the same author

For a century, the Arabs tribes gave Islam the first of these victories. Then the rough mountain peoples of North Africa, the Berbers, helped it to conquer Spain and organize Fatimid Egypt.
 Fernand Braudel
The companies only developed if the state did not intervene in the French fashion. If on the contrary a certain degree of economic freedom was the rule, capitalism moved in firmly and adapted itself to all administrative quirks and difficulties
 Fernand Braudel
History may be divided into three movements: what moves rapidly, what moves slowly and what appears not to move at all.
 Fernand Braudel
Everything must be recaptured and relocated in the general framework of history, so that despite the difficulties, the fundamental paradoxes and contradictions, we may respect the unity of history which is also the unity of life.
 Fernand Braudel
There were two, three or four French Revolutions. Like a multi-stage rocket today, the Revolution involved several successive explosions and propellant thrusts.
 Fernand Braudel