As meeting with Tskhinvali residents on Saturday, Mr. Kokoyev said international funds and governments would not make South Ossetia give up its desire to reunite with Russia irrespective of an amount of money they offered for that.
Mr. Kokoyev said earlier that the Georgian government had offered South Ossetia $3 million on economic recovery.
"People in South Ossetia do not sell their principles even for billions of dollars," he said.
The republic will have parliamentary elections on Sunday.
South Ossetia pulled out from Georgia after an armed conflict with it. It has been a de-facto independent republic since 1992. South Ossetia neighbors North Ossetia, which is part of the Russian Federation.
The authorities have stepped up security measures ahead of the parliamentary elections. They also enhanced control on the border with Georgia as Tskhinvali is worried by Georgia's promises to export the "rose revolution" to South Ossetia.