It's hard for the older boys to play twice a week, so it's important for everyone in the squad to play their part.
It's always difficult if you're coming into a new club and new league, especially the English one. It's a very demanding one, can be a very tough one.
I share a special bond with Ajax. I think we are a special club. And we're known for our philosophy around the world.
At Ajax, we have a certain philosophy that is sometimes more important than winning - the development of players.
United is a much bigger challenge than Ajax. They're not just a big and famous club but also a worldwide brand, yet when you're inside, it's still a family place.
I think there are always a lot of rumours about players from Ajax. We develop great players, not only in Amsterdam but hopefully also in Cape Town, and there is interest in a lot of our players, but we like to keep them for as long as possible.
The leagues in the countries around us are probably more interesting and played at a higher level, but in general, we are happy with the way we have moved things forward with Ajax, together with Marc Overmars as technical director, to establish a squad that can compete at the highest level.
If you are in the Premier League or at Barcelona, Real Madrid, or Bayern Munich, you are at an end station.
You see the strength of the Spanish league, the Premier League, Germany, France, and Italy. The TV revenues are so much higher in those countries.
Nothing can replicate the thrill of making a great save at an away ground, or hearing your own fans cheering you, or the atmosphere when you score a goal or win a big game.
I'm not going back to Amsterdam, though it would be very comfortable there with Frank de Boer, Danny Blind, and Dennis Bergkamp. When I left 12 years ago, I said I would return, but I did not know then what great years I would have with Manchester United. I might occasionally visit training with them, but I will not be going regularly.
We need a solution for European football. You need to help smaller clubs in European competitions get the right distribution of money so they can invest in coaches and attract talent for the level they can play at.
Ajax always bring through young players from their academy - we can't pay €20m for a player, so we make sure we develop those players and give them the opportunity to play.
When I was 18, I never expected to be what I was - you hope to make your debut, to play for the national team, and I want to achieve something similar off the pitch to what I did on the pitch.
For everyone, the World Cup is important. It doesn't matter if you are 21, going for your first one, or 35 and going for your third one. It's the biggest stage you can play on, and every opportunity to experience it is something special.
You don't need only your strikers. You need your defenders to be on top of their game. You need a midfield to work hard and track back, and I suppose you need a goalkeeper who makes saves once in a while.
I've been the captain at Ajax and once for the national team - it's nice and makes you an important player.
When I left Ajax in 1999, I travelled to Liverpool and spoke to Houllier. I was shown around Anfield and also met with the chairman and a couple of the players. I thought about it, but when Juventus came to the table, I came to the conclusion that it would be a bigger challenge to play in Italy.
Being at Manchester United is a great way to play at the highest level and win trophies with a team that is very closely knitted together.
It's always hard the moment you decide to stop playing. It doesn't matter if you're at a small club or a big club: it's the end of your playing career, so that's always going to be a big moment for any player.
You have to get your motivation from within, and it doesn't matter if you lose in the quarters, the semis, or the final. You must want to have another chance of winning the trophy.
You get confidence when you get on a roll. When you are not struggling, and you get your players back, it is bound to make everyone feel better about themselves.
I didn't find it hard to settle at United because there was a great bunch of players, great staff, and a good atmosphere at the club.
Everybody doubts themselves. Every writer doubts themselves, every artist doubts himself, and every football player does.
At Ajax, Juventus, and with Holland, I have played with top teams, and now I want to use my experience to reach the same goal with Fulham.
I would like Ajax to be people's favourite second team. Like in Spain, if you are a Real Madrid fan, then you can't be a Barcelona supporter. It's the same in Italy. But you can be an Ajax fan.
I think, on one end, we need to understand that goalkeeping is an art and is also a very important position to have in your club.
I don't know why we aren't scoring as we're keeping clean sheets.Collection: Football
It is not always easy for a young player to come through at the club level, because all the clubs are able to buy for 20 million or 30 million and it is hard for young English talent to come through and to get recognition and be able to be part of the squad or start playing.Collection: Player
When I was in Dutch and Italian football, a lot of people looked at Manchester United, and when they were asked who was the best player, a lot of them said Paul Scholes. Much of what he did looked simple, but actually it was quite hard. Invariably he controlled the ball instantly and passed it straight on, keeping the game moving. He made inch-perfect passes across the pitch; he saw the gaps and could play the ball through them. So it didn't surprise me that so many top-class international footballers recognized his quality.Collection: Football