"I think his philosophy to live life is already great because he wants to enjoy every day, he wants to be happy and he wanted this opportunity to start one more chapter in his life", Luiz told the Chelsea Magazine.
During that time, Willian has won two Premier League titles, the FA Cup and the League Cup.
Luiz, who was a peripheral figure under Antonio Conte last season, has rejuvenated his career at Stamford Bridge under Sarri this term.
The 31-year-old has been forced to watch Chelsea's impressive start to the campaign from the sidelines after aggravating a knee problem in their 2-0 Community Shield defeat to Manchester City.
Below are three coaches in the Premier League who have the prospects of being kicked out of their respective clubs before the end of this season. The Blues beat Huddersfield Town, Arsenal, Newcastle United, and Bournemouth to take second position in the standings, behind Liverpool.
The Belgium global was though swiftly replaced by Kepa, who signed for a world-record £71.6m fee for a goalkeeper from Athletic Bilbao.
"Look at the Champions League in 2012".
Hurricane Florence close to landfall in N. Carolina
The Miami-based center says Florence is bringing "catastrophic" fresh water flooding over a wide area of the Carolinas. Ocean water flowed between homes and on to streets on the Outer Banks; waves crashed against wooden fishing piers.
Dua Lipa fans waving rainbow flags dragged from Shanghai concert
I would love to come back for my fans when the time is right and hopefully see a room full of rainbows. I would love in these last few songs for us to really, really, really enjoy ourselves.
Hurricane Helene will be hitting Ireland next week and ah, Jaysis
Rain projections also increased, with some locations along the North Carolina coast now expected to get up to 40 inches. The meteorological service of Antigua and Barbuda has issued a Tropical Storm Watch for Antigua and Montserrat.
"I never went onto the pitch in a Chelsea shirt thinking, we're going to lose today".
Despite his side starting their Premier League campaign in excellent form winning all four of their opening fixtures the former Napoli coach believes it will be very hard for his team to make up the 30 points they finished behind Guardiola's City last season. I have won titles and played a lot of games with a lot of happy moments, and a few sad moments as well but that is part of football.
"He [Sarri] still has good players, [Eden] Hazard is there, [N'Golo] Kante is there".
Chelsea winger Willian has claimed that he'd like to stay at Stamford Bridge for another 5 years if possible, with the Brazil worldwide recently celebrating being with the Blues for half-a-decade.
"These kinds of players give a different story about Chelsea than the way we knew Chelsea before".
'I always say that I want to stay at Chelsea as long as possible and I am happy to stay here.