Sarri's Chelsea secured a dramatic 1-2 victory away at Newcastle to extend their winning start to the Premier League season.
Chelsea lost 3-0 on Tyneside in the final game of last season under Antonio Conte and new boss Sarri was thrilled with their persistence this time around.
The former Napoli boss told the 'Daily Mail': "To be drawing five minutes from the end, for us it was more difficult.
"I think this team, from the character point of view, is a strong team.
August 26, 2018
Sarri was also pleased with Chelsea's strong start to the season, building on victories against Huddersfield and Arsenal.
"I think, because the honour is after 38 matches, so after three... it's important to start very well, as well as possible, but now the table is not important, I think."