He built a small house, called a cocoon, around himself. He stayed inside for more than two weeks. Then he nibbled a hole in the cocoon, pushed his way out and... he was a beautiful butterfly!

Simplify, slow down, be kind. And don't forget to have art in your life - music, paintings, theater, dance, and sunsets.

They are deceptively simple. I admit that. But for me, all my life I try to simplify things. As a child in school, things were very hard for me to understand often, and I developed a knack, I think. I developed a process to simplify things so I would understand them.

One Sunday morning the warm sun came up and - pop! - out of the egg came a tiny and very hungry caterpillar.

The hardest part is developing the idea, and that can take years

Brown Bear, Brown Bear was kind of my first important book

One day I think it's the greatest idea ever that I'm working on. The next day I think it's the worst that I've ever worked on - and I swing between that a lot. Some days I'm very happy with what I'm doing, and the next day I am desperate - it's not working out!