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"One of the first people who taught me how to act was Denzel Washington, and I just met him tonight for the first time. Thank you," he said.
This was the first Oscar win for Affleck.
"I'm just really proud to be apart of this community and I look out at all of you and I have this whole year and I'm just dumbfounded that I'm included. And it means a lot to me," he said.