We need to strengthen every position to play on the level of such teams in the UK as Chelsea and Manchester City, in Europe like Real Madrid, Barcelona, Paris Saint-Germain, Bayern Munich and other clubs, the 61-year-old told CNBC.
I like Arsene for his principles. But principles are sort of restriction. And restrictions are always lost possibilities, he added.
That's why sometimes coaches even without principles became the coaches of great teams. And some coaches with principles lose because some positions in the team are vacant because of ethical, moral or personal views.
Does he have money or not? There is officially money in the club. How does he spend - this decision investors have left with him.
'As to Arsene Wenger - he is one of the greatest coaches not just of European, but of world football. But we have Russian proverb which goes "Even an old lady can have a roof falling on her".
'Everybody makes mistakes. He can make mistakes and I know as you age that it is more difficult, more challenging to accept one's mistakes. Maybe it's a problem today.
'He is a great man, a great coach, he had great victories and he has to have an opportunity to secure the place, which he and his team ought to have.
'I think the men who created winners have to be winners themselves.'
