Capital is money, capital is commodities. By virtue of it being value, it has acquired the occult ability to add value to itself. It brings forth living offspring, or, at the least, lays golden eggs.

There is one great fact, characteristic of this our nineteenth century, a fact which no party dares deny. On the one hand, there have started into life industrial and scientific forces which no epoch of former human history had ever suspected. On the other hand, there exist symptoms of decay, far surpassing the horrors recorded of the latter times of the Roman empire. In our days everything seems pregnant with its contrary.

Revolutions are the locomotives of history.

I am greatly pleased with the public, authentic isolation in which we two, you and I, now find ourselves. It is wholly in accord with our attitude and our principles.

Reason has always existed, but not always in a reasonable form.

Philosophy studies the world, but the point is to change it.

Advances in science help to delegitimize the rule of kings and the power of the Church.