“You can get snippets of information from other teams, but you don’t know if they are telling you the truth or just trying to make you worried.

“Basically, you have to look at your own office desk and you have to do the best job you possibly can with that.

“Ferrari, certainly the power unit, looked very strong at the end of the year. They were clearly the third fastest team at the end of the year.

“They’ve got a great driver line-up as well. I wasn’t sure about whether they would gel together as drivers but they seem to have done that very well.

“I think Ferrari will be the big unknown, or possibly the big threat this year.”

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