He says the overnight operation carried out by the United States, France and Britain followed that example.
"If @realdonaldtrump wants to expand American military involvement in Syria's Civil War, he must seek approval from Congress - & provide a comprehensive strategy with clear goals & a plan to achieve them".
Assad made the remarks during a phone call with Iranian President Hassan Rouhani, who called Assad after the U.S-led attack on Syria, the state news agency SANA reported.
Trump, while addressing the nation on Friday night, said the joint strike with France and the United Kingdom was now underway.
Trump blamed Iran and Russian Federation for their support of the Assad regime, saying Moscow has failed to live up to its guarantee to make sure the Syrian government got rid of its chemical weapons.
Worldwide chemical weapons experts were travelling to Syria to investigate an alleged gas attack by government forces on the town of Douma which killed dozens of people.
President Donald Trump addressed the nation and says the objective was to of the actions.
Oil dips but still on track for biggest weekly gain since July
First-quarter demand from non-OECD countries was revised downward by 260,000 barrels a day "due to weak Chinese data". Despite this, supplies remain ample and analysts said this would weigh on prices eventually.
Witnesses told CNN that they heard explosions in the capital city of Damascus and that they began while Trump was making his address. A second witness said the Barzah district of Damascus had been hit in the strikes.
- The US said "important infrastructure" had been destroyed, resulting in the loss of years of research and development for the Syrian regime. "It is not about regime change", she said.
Mattis, who US officials said had earlier warned in internal debates against too large an attack that would risk confrontation with Russian Federation, described the strikes as a "one time shot" to dissuade Assad from "doing this again".
The Russian leader noted that the USA, just like a year ago, when it attacked Shayrat Airbase, used a staged chemical attack against civilians as a pretext.
The Syria attack drew support from the European Union, Germany, Israel and other allies while British Prime Minister Theresa May said reports indicate the Syrian government used a barrel bomb to deliver the chemicals used in an attack on Douma.
A senior official in a pro-Assad regional alliance told Reuters that "all military bases were evacuated a few days ago" after an early warning from Russian Federation about the strikes.
US Defence Secretary James Mattis said the air strikes were a "one time shot" to send a strong message to Assad.
The U.S., the United Kingdom, and France carried out joint strikes on Syrian targets on Saturday.
Johnson said: "The world is united in its disgust for any use of chemical weapons, but especially against civilians".