Former Vice President Joe Biden admitted to regretting his decision not to run for president in the 2016 election.
During a speech at Colgate University in New York, Biden expressed his regret about not running for President -- a decision made largely because of the death of his son, Beau.
"I had planned on running for president, and although it would have been a very difficult primary, I think I could have won," Biden said during his March 25 speech, according to The Hill. "I don't know, maybe not. But I thought I could have won. I had a lot of data and I was fairly confident that if I were the Democratic Party's nominee, I had a better than even chance of being president."
Biden clarified that he didn't regret the time he spent with his son before his death, which would have been more difficult had he run for president.
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"But do I regret not being president? Yes," he said. "I was the best qualified."
The former vice president added that he felt as though he lost part of his soul when his son died.
Since Beau's death from brain cancer, Biden has continued to be an outspoken advocate for increased cancer research -- something he spoke to during a keynote speech at South By Southwest in Austin, Texas, on March 12.
"I had one regret in making the decision not to run," he told a packed audience, according to Engagdet. "And that was I would have loved to have been the president who presided over the end of cancer as we know it."
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During his speech, which he made to technology professionals from across the world, Biden implored the audience to use their skills to advance change and progress in the fight against cancer:
You're the future. Many of you are developing technologies and innovations for purposes large and small, fun and serious, entertaining and life saving. They have nothing to do with cancer, but you can make a gigantic impact. We need you to help us reach people who need to change their behavior and avoid cancers. You'll do it for helping people figure out how to buy a product.
He added that he hopes the technology community can help further advancements towards a cure for cancer.
"If we did nothing more than break down the silos preventing greater collaboration because of the way the system has been built up -- not intentionally -- over the last 50 years, we can extend the life of a lot of people with cancer," he said.