My first published writings were trying to take scientific concepts and make them clear for a general audience.

Kids need to encounter kids like themselves - kids who can sometimes be crabby and fresh and rebellious, kids who talk back and disobey, tell fibs and get into trouble, and are nonetheless still likable and redeemable.

Strength is the capacity to break a chocolate bar into four pieces with your bare hands - and then eat just one of the pieces.

Most of the characters I have in my children's books are grouchy or annoyed about something or are calling each other unfriendly names. Like my own kids, they're not honeys and sweetie pies and little angels. They're kids. Sloppy, dirty, stinky.

I refused to learn English for two years when we moved to London, hoping to send my family back home. It was tough, but at the same time, it has given me a sense of displacement that actually really suits the life that I'm living now.

I trust that the president will try, just give it one more shot, some revolutionary way of not doing this, of bringing all those kids back home safely.

My father was born in Amsterdam in a highly religious family. He was in Amsterdam, and he went into hiding right near where Anne Frank was. He was a theoretical physicist and the last Jew to get a Ph.D. in Amsterdam.

My sister-in-law, my mother, grandmother, and the entire family have been the biggest support for me.