Readers always seem to think that the author has some control over the design of their books.

It is not enough that we build products that function, that are understandable and usable, we also need to build products that bring joy and excitement, pleasure and fun, and, yes, beauty to people's lives.

The hardest part of design ... is keeping features out.

I'm not a fan of technology . I'm a fan of pedagogy, of understanding how people learn and the most effective learning methods. But technology enables some exciting changes.

Attractive things work better.

Rule of thumb: if you think something is clever and sophisticated beware-it is probably self-indulgence.

Complexity is acceptable as long as it is intelligible and necessary. We want to avoid needless complications.