Humor is the easiest to achieve; the 'heart' is always the toughest, because you can't tell people to feel a certain way.

I quickly realized that this medium had a lot to offer someone like me. To do Disney-quality hand-drawn cartoons, you have to be a master of two art forms. Seriously, you have to be able to draw like a Leonardo da Vinci or a Michelangelo. But also you have to know movement and timing and control that through 24 frames a second.

The art challenges the technology, and the technology inspires the art.

Humor is the easiest to achieve; the 'heart' is always the toughest, because you can't tell people to feel a certain way.

When you make these films, they become like your children. But at a certain point, they don’t belong to you anymore; they belong to the world.

Walt Disney had always tried to get more dimension in his animation and when I saw these tapes, I thought, This is it! This is what Walt was waiting for! But when I looked around, nobody at the studio at the time was even halfway interested in it.

Every technology that comes into filmmaking is first a gimmick. Think about sound with 'The Jazz Singer' or the first colour or surround sound - it takes a while for filmmakers to understand how to use it.