The 43-year-old appeared to rule out a job in Italy, while also suggesting he is in the market for a long-term project.
"I would not go to Barcelona. It is very difficult to be a coach there. What can you teach players like Messi and Iniesta?
"Tottenham talked informally with Ajax of my contract," he added. "I think they are quite happy with Tim Sherwood, but it is normal that they take information about a possible successor, as did Liverpool in the past.
"That time, I said I wanted to stay at Ajax. I'm very happy here.
"But if it came from a club with an interesting perspective and a good team, I would consider the proposal.
"I want to understand what contribution I can give."
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