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.

He who desires to worship God must harbor no childish illusions about the matter but bravely renounce his liberty and humanity.

Freedom, morality, and the human dignity of the individual consists precisely in this; that he does good not because he is forced to do so, but because he freely conceives it, wants it, and loves it.

We must overthrow the material and moral conditions of our present-day life. . . . We must first purify our atmosphere and completely transform the milieu in which we live; for it corrupts our instinct and our will, and constricts our heart and our intelligence

Where the state begins, individual liberty ceases, and vice versa.

I am conscious of my inability to grasp, in all its details and positive developments, any very large portion of human knowledge.

By striving to do the impossible, man has always achieved what is possible.