In his speech, the premier addressed the crowd partly in Arabic, to which he received a standing ovation.
Early Friday morning, he made two announcements to immediately address “violent racism” in Quebec.
He reached out to opposition parties to ask them to stop the debate around religious accommodations.
The government’s religious neutrality bill is still in the works.
The premier confirmed the Liberals will make an amendment to Bill 62, which will prohibit government employees from covering their faces.
He made a plea to the rest of the National Assembly to unanimously adopt the bill without further debate.
He explained his government’s top priority is to make sure immigrants aren’t denied work in Quebec due to discrimination.
“Access to employment has to be as good for Gerard as Mohammed,” he said.
The premier condemned politicians like U.S. President Donald Trump and federal Conservative party candidate Kellie Leitch, who have come out to use the Quebec mosque attack as justification to tighten immigration, even though the alleged gunman is Canadian.
WATCH BELOW: Remembering the Quebec City mosque shooting victims
Couillard spoke of his personal reactions to Sunday’s atrocity.
“You know how affirmative I’ve been over the years of this issue of inclusion and open and tolerant societies,” he said.
“I felt a lot of the pain. I felt that very deeply and I felt the need to rally everyone in Quebec around this concept of equal citizenship and tolerance.”