It's probably the toughest one I've had since I've been doing it. We've really got some good teams, some teams with good traditions.

That was probably one of the toughest decisions I ever had to make. But you make the decisions you make and you move on.

It was probably one of the toughest decisions that I ever had to make: to tell my people that we are not going back.

At least that's the two toughest teams out of the way now.

This year has been a lot tougher than last year. This is probably one of the toughest coaching jobs I've ever had. You're getting everybody's No. 1; there's no hiding. Trying to repeat is the toughest thing.

Eight of the teams believe one interpretation and Ferrari have a slightly different interpretation.