Such was the state of fears and hopes on both sides, at the time when Tissaphernes left the Greeks, after concluding his convention. For twenty days did they await his return, without receiving from him any communication; the Cyreian Persians under Ariæus being encamped near them. Such prolonged and unexplained delay became, after a few days, the source of much uneasiness to the Greeks; the more so as Ariæus received during this interval several visits from his Persian kinsmen, and friendly messages from the king, promising amnesty for his recent services under Cyrus. Of these messages the effects were painfully felt in manifest coldness of demeanor on the part of his Persian troops towards the Greeks. Impatient and suspicious, the Greek soldiers impressed upon Klearchus their fears, that the king had concluded the recent convention only to arrest their movements, until he should have assembled a larger army and blocked up more effectually the roads against their return. To this Klearchus replied,—“I am aware of all that you say. Yet if we now strike our tents, it will be a breach of the convention and a declaration of war. No one will furnish us with provisions; we shall have no guides; Ariæus will desert us forthwith, so that we shall have his troops as enemies instead of friends. Whether there be any other river for us to cross, I know not; but we know that the Euphrates itself can never be crossed, if there be an enemy to resist us. Nor have we any cavalry,—while cavalry is the best and most numerous force of our enemies. If the king, having all these advantages, really wishes to destroy us, I do not know why he should falsely exchange all these oaths and solemnities, and thus make his own word worthless in the eyes both of Greeks and barbarians.”[119] [119] Xen. Anab. ii, 4, 3-8. Such words from Klearchus are remarkable, as they testify his own complete despair of the situation,—certainly a very natural despair,—except by amicable dealing with the Persians; and also his ignorance of geography and the country to be traversed. This feeling helps to explain his imprudent confidence afterwards in Tissaphernes.