I used to be very controlling with visuals and editing, and I would pretty much craft the performances; now I have learned to trust the material and the actors.

I have to say, 'Gravity' is better in 3-D, even though in 2-D the quality of the picture is better. But the 3-D is better.

You have to be very focused about the music that you have inside.

When I learned to switch jealousy for admiration, it unblocked a lot of things.

I was not aware of how much I loved 'Canoa' until I saw it after doing 'Y Tu Mama Tambien' and realized that my voice - over about the story's historical context - that narrator - came from 'Canoa'.

The long takes process doesn't allow for that many takes. In the past I have shot over 50 takes of different shots. Sometimes you end up using take 64, sometimes take four.

Every film is difficult. Making films, you're always going to have problems, there's always going to be challenges.