The Blues skipper is grateful to the Portuguese for resurrecting his career at the club since returning to Stamford Bridge from Real Madrid in the summer of 2013
The centre-back endured a frustrating spell under the stewardship of interim-manager Rafael Benitez last season, often finding himself on the periphery of the first team and starting only 11 Premier League matches, but has started every league game since the Portuguese returned in the summer.
"The manager was straight with me from day one," Terry explained to the club's official magazine. "When Jose came in, after the first week he said: 'For me, nothing has changed. You're still top, you can still work and play at the top.'
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"At the time the manager spoke about it, I think I needed it and, when I got that from him, it not only made me feel 10 feet tall but it made me want to work even harder for the man in charge.
"It makes you go to that extra level and I would give everything for the manager."
Chelsea are currently third in the Premier League table, only two points adrift of table-toppers Arsenal, and Terry believes that his side have yet to hit full stride as the Blues bid to capture the title for the first time 2010.
He added: "It is important that we kick on now because everybody feels we have another gear to go to.
"I feel as though we have played well in spells but we have certainly got another level that we can go to and, if we do that, hopefully we can start to pull away from teams."