This needs no comment, as even the dudes who think Curtis Yarvin is a philosopher should be able to understand

and they thought that there was no way out, save only to suffer the pains which they had themselves inflicted, not in retaliation, but in wantonness and unjustly upon the people of small states, for no other single reason than because they were in alliance with the Lacedaemonians (Spartans)"

Xenophon writes:

"Now the Athenians, being thus besieged by land and by sea, knew not what to do, since they had neither ships nor allies nor provisions;

What happened to the Athenians and their realism is described in Xenophon's Hellenica (2.2.10). Having lost the war, Athens was forced to tear down its walls.

The latter passage is known as "the foundational statement of realism in international relations." It conveys the idea that smaller states have no real say in negotiations, as the strong will impose their will upon them as they see fit.

."..since you (people of Melos) know as well as we (Athenians) do that right, as the world goes, is only in question between equals in power, while the strong do what they can and the weak suffer what they must."

In short - don't try to sweet-talk us into anything because we don't care about anything but our interests

"…and in return, we hope that you - instead of trying to influence us by claiming that you did not join the Lacedaemonians (Spartans), despite being their colonists, or that you have done no wrong to us (Athens) - will focus on what is feasible, keeping in mind the true interests of both sides."

"—or that we are now attacking you because of any wrong you have done us—and make a long speech that would not be believed."
(In short, we do not bother with moral arguments because we are strong.)

"For ourselves (i.e., the Athenians), we shall not trouble you (the people of Melos, an ally of Sparta) with specious pretenses—either by claiming that we have a right to our empire because we overthrew the Mede (Persians);