TEHRAN (FNA)- Iranian President Hassan Rouhani underlined that his country still distrusts Washington which has acted against its undertakings based on the last year nuclear deal between Tehran and the world powers.

"Being optimistic about the nuclear deal doesn�t mean optimism about the world powers; we are optimistic about the nuclear deal but pessimistic about the US," President Rouhani said, addressing a large gathering of the Iranian people in the Western city of Yasouj on Sunday.

He also blasted certain countries and regimes' attempts to trouble implementation of the nuclear deal, and said, "Israel and a child-like country in Southern Iran (Saudi Arabia) are sad and concerned about the Iranian nation's victory in the nuclear deal."

Earlier this week, Rouhani also underlined that his country has become distrustful of certain world powers which clinched a nuclear deal with Tehran last year but still continue their hostile behavior.

"Of course, all members of the negotiating side in the Group 5+1 (the US, Russia, China, Britain and France plus Germany) have not shown good will," Rouhani said, addressing a joint meeting between the cabinet and the governor-generals of different provinces in Tehran on Wednesday.

"We have some friends in the G5+1 but certain people have had hostile relations with us which continues today," he added.

"We trust certain negotiating sides and it is natural that we don�t trust some of others," Rouhani said.

In relevant remarks in July, Supreme Leader of the Islamic Revolution Ayatollah Seyed Ali Khamenei underlined that Iran cannot trust the US and its western allies for their bad record in complying with their commitments.

"Both the US government and Congress have proven their animosity towards the Iranian nation and government," Ayatollah Khamenei said in a meeting with Iranian university students and academicians in Tehran.

Iran's Supreme Leader pointed to the US officials' claims that they are willing to negotiate with Iran on regional issues, including Syria, and said, "We do not want such coordination because their main goal is to put an end to Iran's presence in the region."

Ayatollah Khamenei reiterated that Iran wants the US lack of presence in the region, and said, "Iran has rational stances on regional issues."

He said that those who believe we should become close to the Western countries for the sake of the country's progress are out of their mind.

"The Iranian nation has very bad memory of the western countries," the Supreme Leader said, adding, "After the victory of the Islamic Revolution in 1979, the Western countries, specially the US imposed sanctions on the country, fully supported the former Iraqi dictator Saddam Hussein during the eight-year war (1980-88 Iran-Iraq war), supported the counter-revolutionary groups, shot down an Iranian passenger plane and sabotaged the JCPOA's trend."

In mid-June, Ayatollah Khamenei warned the US presidential candidates to watch their mouth when speaking of the Vienna nuclear deal, stressing that Tehran will also ditch the agreement if future White House leaders show disrespect and discard it.

"We do not violate the JCPOA (Joint Comprehensive Plan of Action also known as the nuclear deal), but if the opposite party violates it and tears it apart as the US presidential candidates state and threaten at present, then we will burn it," Ayatollah Khamenei warned during his remarks at a meeting with the heads of the three branches of power, high-ranking officials and different government bodies and armed forces on the occasion of the holy month of Ramadan here in Tehran.

The Iranian leader's warning was deemed as a general message to the political brass in Washington, but seemed to be more addressed to the US presidential candidate, Donald Trump. The totally estrange presidential nominee has repeatedly warned that he would tear apart and discard the nuclear deal with Iran on day one of office if he is ever elected, while his Democrat rival Hillary Clinton has said that she would remain loyal to the deal although she has vowed to be tough on Iran.

The Iranian leader further blasted the US for hypocrisy in return for Iran's honesty, saying, "As regards the JCPOA, the opposite party has defied its duty that has been removing the sanctions, the problem with the banks has not yet been resolved, the oil tankers insurance is done at a limited scope, the crude revenues and our money that are in other countries are not given back to us and the Americans have not fulfilled a major part of their undertakings, while we have done our part and shut down the 20-percent enrichment at Fordo (nuclear enrichment facility) and Arak (heavy water reactor)."

He also warned that the hostilities between Tehran and Washington would not end as the US is resolved to topple the Islamic Republic. "It is wrong to assume that we can come along with the US, this is wrong and we cannot rely on illusions as their issue is with the life and essence of the Islamic Republic and this cannot be resolved through negotiations."

Yet, Ayatollah Khamenei reiterated that the arrogant party seeking continued animosity is not Tehran, but Washington that wants regime change in Iran.

"Some imagine that hostilities are the result of our belligerence towards the US; (then if that's true) what has the Islamic Republic done to France? Why did France play the bad cop in the nuclear talks and why are the Netherlands and Canada showing enmity (towards Iran)," the Supreme Leader asked.

The US has been lagging in implementation of the last July nuclear deal with Iran. Months after the implementation of the nuclear deal, Iran is complaining that the US has not shown its loyalty to the agreement in action.

By Fars News Agency