Louis van Gaal trusted me; I played a lot of games.
My previous bosses - Louis van Gaal and Marcello Lippi, to name two - have all taught me something.
Louis van Gaal has nothing more to learn.
Louis van Gaal is one of the most successful managers in the world.
Louis van Gaal is a big manager, very experienced.
I remember Louis van Gaal wearing a tie for every press conference. It must have left an impression because I like to look smart even if I get a bit of stick.
If you look at most youngsters, they have worked well under Van Gaal. I had never heard of Thomas Muller at Bayern Munich before Van Gaal managed him, and he's now one of the best players in the world.
Louis van Gaal and I have a relationship that goes beyond that which is normal between a player and a coach.
When you have Van Gaal in charge, it is a fact that there is fear in his team. The players have a fear for mister Van Gaal. That is not always good.
Van Gaal is a teacher, pays attention to everything you do, but Hiddink is more linked to the players. He gives more freedom than Van Gaal, but I worked with both of them pretty well.
Louis van Gaal is one of the most incredible coaches who's done a fantastic job in clubs all over Europe.
You have to bear in mind where Louis van Gaal has worked before. His self-belief is bigger than Jose Mourinho's.
Louis Van Gaal is a great coach. He has inspired a lot of players to give their best, shown them how to play.
The best and most important step of my career was when I moved here - and Louis van Gaal brought me from Madrid to Bayern. It was the best move of my career, and it's thanks to him.
Louis van Gaal is a good coach. We have a lot of team meetings, and he analyses much - other teams, our own players at training, a lot. Everywhere he has been, he was successful.
When we talk my biggest influence, I have to say Van Gaal. He threw me in the deep end.