Speaking to culture magazine along with Leonardo DiCaprio, 44, Pitt said: 'It's a constant battle. You gain wisdom as you get older, so self-doubt gets less, hopefully
'But it's universal, that battle in the mind between beating yourself up and finding a place of peace.'
Pitt fears he is a 'dinosaur' in the world of Netflix and contemplates what's next for the Hollywood as streaming triumphs over traditional cinema.
Speaking to The Sunday Times Pitt said: 'I'm curious to see. There is a plethora of streaming now, and unless the communal cinematic experience is reinvented and reignited... well, I don't know.
'Maybe we're dinosaurs, but look at the 1990s, when we hit a wall with Stallone and Schwarzenegger films, and up comes this kid Tarantino, so, suddenly, indie cinema is off and running. It's constantly in flux. I can't say I miss anything. I'm along for the ride. I'm all for change.'
Pitt and DiCaprio are set to grace the silver screens together as they star in Quentin Tarantino's ninth film, Once Upon a Time in Hollywood, to be released in the UK on August 15.
In Tarantino's latest venture, set in 1969, audience members are introduced to Cliff Booth, a military veteran-turned-stuntman who's also best friends with Wild Western TV and movie star Rick Dalton, played by Leonardo DiCaprio.
The two characters were heavily inspired by stuntman Hal Needham's relationship with actor Burt Reynolds, and the wild, decades-long friendship they shared throughout their tenures in tinsel town.
