US President Joe Biden has dismissed doubts about his re-election.
He called concerns about his health unfounded.
Biden said he would not let a failed debate with Trump ruin 3.5 years of work, The New York Times writes.
He also stressed that only "God Almighty" could convince him to resign.
Biden attributed his poor performance on the night of June 28 in Atlanta to exhaustion.
He also said Trump's blatant lies had thrown him off balance.
Biden said bad debates would not affect his decision to stay in the race.
Earlier, Joe Biden received an unpleasant message from influential fellow party members .
