Former presidential contender Mitt Romney delivered remarks in Boston, Mass., conceding defeat to President Barack Obama, who won re-election after a close presidential race.

Romney addressed the seemingly somber crowd, saying, "I believe in the people of America."

"Paul [Ryan] and I have left everything on the field ... we have given our all to this campaign," he said, adding, "I so wish I had been able to fulfill your hopes to lead this country in a different direction," but that he would pray for the current president.

He also thanked his chosen running mate, saying, "Besides my wife Ann, Paul was the best choice I ever made."

He went on to thank his family, especially his wife, Ann. "She would have been a wonderful first lady," he told the crowd.

He cautioned against partisan politics in the days and months to come, saying the he would "pray that the president will be successful in guiding our nation."

"We can't risk partisan bickering ... we citizens have to rise to the occasion."

Watch the full video below:

Follow Fox News Insider, the official blog of Fox News Channel on Twitter and Google+!

Key Moments From Mitt Romney's Campaign: