As individuals express their life, so they are. What they are, therefore, coincides with their production, both with what they produce and with how they produce. The nature of individuals thus depends on the material conditions determining their production.

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.

...it is all the more clear what we have to accomplish at present: I am referring to ruthless criticism of all that exists, ruthless both in the sense of not being afraid of the results it arrives at and in the sense of being just as little afraid of conflict with the powers that be.

May the devil take these peoples movements, especially when they are 'peaceful'.

Surplus-value and the rate of surplus-value are... the invisible essence to be investigated, whereas the rate of profit and hence the form of surplus-value as profit are visible surface phenomena

The ideas of the ruling class are in every epoch the ruling ideas, i.e., the class which is the ruling material force of society, is at the same time its ruling intellectual force.

Very well then; emancipation from usury and money, that is, from practical, real Judaism, would constitute the emancipation of our time.