If you're trying to achieve, there will be roadblocks. I've had them; everybody has had them. But obstacles don't have to stop you. If you run into a wall, don't turn around and give up. Figure out how to climb it, go through it, or work around it.

To create great architecture is to create great spaces for people.

A picture book is like a theater where the audience can walk around on stage.

The essence of mathematics is not to make simple things complicated, but to make complicated things simple.