I am sure that, on the one hand, the Rothschilds appreciate the merits of Marx, and that on the other hand, Marx feels an instinctive inclination and a great respect for the Rothschilds.

I listen to them freely and with all the respect merited by their intelligence, their character, their knowledge, reserving always my incontestable right of criticism and censure.

Thence results, for science as well as for industry, the necessity of the division and association of labor. I receive and I give - such is human life. Each directs and is directed in his turn.

Even the most wretched individual of our present society could not exist and develop without the cumulative social efforts of countless generations.

Such a faith would be fatal to my reason, to my liberty, and even to the success of my undertakings it would immediately transform me into a stupid slave, an instrument of the will and interests of others.