Robert De Niro is taking his revolutionary spirit to France. Quoting the country’s national motto “liberté, égalité, fraternité”—one born out of its own historic uprising—the actor used his honorary Palme d’Or acceptance speech to rally the Cannes audience against Donald Trump, or, in his words, “America’s philistine president.”

The Oscar winner explained why art is a threat to "autocrats and fascists" while accepting an honorary Palme d'Or on Tuesday.

CANNES, France - On the opening night of the Cannes Film Festival before the premiere of the French musical rom-com "Partir un Jour (Leave One Day)," Leonardo DiCaprio took the stage at the Grand Auditorium Louis Lumière to present a lifetime achievement award,