DNC: Obamas fire up Democrats and strongly endorse Kamala Harris

"Kamala Harris is ready for the job. This is a person who has spent her life fighting on behalf of people who need a voice," Obama said during his speech.

“As attorney general of the most populous state in the country, she fought big banks and for-profit colleges, securing billions of dollars for the people they had scammed,” he sai

“After the home mortgage crisis, she pushed me and my administration hard to make sure homeowners got a fair settlement.”

“I love this guy,” he said before cracking: “You can tell those flannel shirts he wears don’t come from some consultant, they come from his closet, and they’ve been through some stuff.” 

He ended his 30-minute speech on stage by saying that it was time to get to work to make sure that Harris-Walz  win the election contest: "So let’s get to work. God bless you, and God Bless the United States of America."

Obama says learning to live with people who have different political views is important

Obama said it was important to learn to live with people whose political views may be different.

"That sense of mutual respect has to be part of our message," Obama said. "Our politics have become so polarized these days that all of us across the political spectrum seem so quick to assume the worst in others unless they agree with us on every single issue."

Obama says election contest 'will be a fight'

Obama said that the election contest between Kamala Harris and Donald Trump would be a tough one. 

"Now it is up to all of us to fight for the America we believe in," he said, adding: "And make no mistake, it will be a fight."

The former US president said people have to ask themselves a very simple question "Who’s thinking about my future, about my children’s future, about our future together?"

"One thing is for certain, Donald Trump is not losing sleep over that question."