"It's good people are positive, but the season again will be unbelievably hard".
"We played as good as possible today and we extended a really good pre-season into the Premier League", Klopp said.
The Reds underlined their Premier League title credentials with a comprehensive 4-0 defeat of West Ham in their first game at Anfield.
"We can not be anything different than the challenger because we have not won anything since I've been in (charge), a long time".
So many pieces of the jigsaw are now in place for Klopp, but we have to be realistic about the challenge in front of them this season because Manchester City confirmed with their win at Arsenal that they are still the team to beat.
Only two of those started: one, goalkeeper Alisson Becker, had a gentle introduction, while the other, Naby Keita, looked a force to be reckoned with even at this early stage.
'It has been really good since I arrived here, ' Fabinho said.
"Absolutely a good performance, of course", Klopp told the "Daily Mail" after the game.
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A couple of saves straight into his body were about the extent of what he had to deal with, but it can already be seen that his distribution is world class, something that will greatly benefit Klopp and his fast-paced and attacking style of play. "I think the best thing is for him to play 15-20 minutes when the opponents probably are exhausted".
"We've signed nine players, and some of them have had pre-season with us but some of them came quite late, so we haven't played much with them".
"He has a lot of help from the players around".
Henderson might be slightly better in the middle of a trio but that's where Keita will be and Milner offers a better option for the right, especially going forward as we saw with his two assists on Sunday.
New West Ham boss Manuel Pellegrini admitted his team were outplayed, although he pointed out, with some justification, that Mane's second goal could have been ruled out for offside. The 28-year-old has always been a talented player capable of being a difference-maker on his day, but he is also arguably one of the most frustrating footballers England has ever produced.
Tottenham may not have spent anything in the transfer market and had to play several of their stars who have just returned from well-earned breaks post the World Cup.
Guardiola started with Kevin De Bruyne and Leroy Sane on the bench as he recalled Sterling and gave a Premier League debut to Algeria winger Riyad Mahrez, whose move from Leicester was Guardiola's only major close-season signing.
He's a top player we know that, and that's his first game, he's only going to get better I'm sure.