City became the richest club in the Premiership when they were taken over by a group of Arab investors.
He said: “It’s all very well having all the money but you can’t buy everyone. It was proved in the summer.
“We didn’t want to sell Cristiano Ronaldo, other clubs don’t want to sell their best players, and there are only so many players you can buy.
“Back in the 1950s Sunderland were called ’The Bank of England Team’ — and they got relegated. There are no guarantees.
“You can buy 11 individuals — you can buy 11 Robinhos but it wouldn’t be a team would it?
“The art of management is building a team with balance, with certain characteristics that blend with each other. That’s the most important thing.”
