Ferguson and Mourinho are close friends and the Portuguese have long been linked with the job to take over at United when Ferguson decides to retire.
The Scotsman said in a new Spanish book titled Jose Mourinho, The Secrets of his Success: “I look at Jose and I see myself reflected in many of the things he does.
“In the first year at Chelsea when I saw him running along the touchline at Old Trafford, he reminded me of my first years at Aberdeen, jumping, raising my arms, celebrating.
“We’re only human. We can’t hide our emotions. They’re always there, they’re part of who we are, of our character.”