"Every state is founded on force," said Trotsky at Brest-Litovsk. That is indeed right. If no social institutions existed which knew the use of violence, then the concept of "state" would be eliminated, and a condition would emerge that could be designated as "anarchy," in the specific sense of this word. Of course, force is certainly not the normal or the only means of the state — nobody says that — but force is a means specific to the state.
.. at the present time, the right to use physical force is ascribed to other institutions or to individuals only to the extent to which the state permits it. The state is considered the sole source of the "right" to use violence.
Hence, "politics" for us means striving to share power or striving to influence the distribution of power, either among states or among groups within a state.
Like the political institutions historically preceding it, the state is a relation of men dominating men, a relation supported by means of legitimate (i.e., considered to be legitimate) violence. If the state is to exist, the dominated must obey the authority claimed by the powers that be.
Whoever wants to engage in politics at all, and especially in politics as a vocation, has to realize these ethical paradoxes. He must know that he is responsible for what may become of himself under the impact of these paradoxes .. He who seeks the salvation of the soul, of his own and of others, should not seek it along the avenue of politics, for the quite different tasks of politics can only be solved by violence.