Pep Guardiola has said Manchester City would be "stupid" to expect an easy outing against Napoli in the Champions League tomorrow morning (Singapore time) just because they thumped Stoke City 7-2 in the Premier League on Saturday.
"They know how to get the job done, and that is something City have to learn".
"He's been massive for me, especially with basic and the simple stuff", Sterling told a news conference ahead of City's Champions League Group F clash with Napoli on Tuesday.
"I didn't need to speak to him because I already spoke to him in the summer about pre-season. I didn't have any negative thoughts about it", he explained.
He said: "I signed for five years here".
"It wasn't something that I was anxious about because I think Pep is an honest guy and he would have spoken to me before that".
Sterling has scored seven goals in all competitions this season and is well on course to beat his best-ever total of 11 in one campaign.
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City produced a rugged performance to out-do the Serie A league leaders in Tuesday evening's Champions League tie.
Sterling delayed his pass as the relentless hosts broke in numbers after a rare Napoli foray, but Leroy Sane had the patience and awareness to then pick out De Bruyne on the edge of the area for a thunderous drive that rattled the underside of the crossbar.
"We wanted to play our game and some of the football was great to watch".
The Partenopei were more in the contest in the second half, restricting City to just the one wayward Sane shot in the first 15 minutes following the restart. "I know exactly what I want to achieve, and I'll keep building for that".
"He has been massive for me especially with the basic and simple stuff and he always tries to get you do the simple stuff at a really top level and that is the genius thing about him and it works", said the England worldwide.
But whether boss Maurizio Sarri plays the 30-year-old against City remains to be seen.
"City have improved technically but it's not going to be an easy game for them. If one of the other teams takes points off City that would be great for us".